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Simulation of operations on the production line as a tool for making the production process more efficient 模拟生产线上的操作,作为提高生产过程效率的工具
IF 0.7 Q4 ENGINEERING, INDUSTRIAL Pub Date : 2023-12-31 DOI: 10.22306/al.v10i4.432
J. Saderova, Lubomir Ambrisko
For a company to make a profit and satisfy customers' needs, it must have the correct individual processes - the production process is one of the most important. This paper proposes a solution to eliminate the problem based on identifying the cause of the blocking - idle times in several workplaces of the production line. Another goal was to determine whether increasing productivity and the number of products on the given line is possible. At the beginning of the research, a system analysis of production operations was carried out. A simulation was chosen as a tool for solving the goals. Tecnomatix Plant Simulation creates the simulation model. The model was verified by a simulation experiment that simulated the current state, and the data obtained by the analysis were used. The experiment was performed for three simulated times: 8, 16 and 48 hours. After the verification of the model, experiments were performed on the models. The paper presents the results of three experiments for a simulated time of 48 hours. Based on the experiments, it was found that in the case of shortening the work cycle at critical workplaces No.5 and No.15, it is possible to make the process more efficient - to equalise the workload of individual workplaces and increase production by 25%.
公司要想盈利并满足客户需求,就必须有正确的单个流程,生产流程就是其中最重要的一个。本文在确定堵塞原因--生产线上多个工作场所的空闲时间--的基础上,提出了消除问题的解决方案。另一个目标是确定是否有可能提高特定生产线的生产率和产品数量。研究开始时,对生产操作进行了系统分析。模拟被选为实现目标的工具。Tecnomatix 工厂仿真创建了仿真模型。通过模拟当前状态的仿真实验对模型进行验证,并使用分析获得的数据。实验进行了三次模拟:8、16 和 48 小时。模型验证后,对模型进行了实验。本文介绍了模拟时间为 48 小时的三次实验结果。根据实验发现,在缩短 5 号和 15 号关键工作场所的工作周期的情况下,有可能提高工序的效率--均衡各个工作场所的工作量,并将产量提高 25%。
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引用次数: 0
Improving last mile distribution systems through the Internet of Things: a South African case 通过物联网改进最后一英里配送系统:南非案例
IF 0.7 Q4 ENGINEERING, INDUSTRIAL Pub Date : 2023-12-31 DOI: 10.22306/al.v10i4.438
Masithembe Kafile, T. Mbhele
The study investigates the impact of the IoT on the cost and quality of last-mile logistics, the critical and often challenging final phase of the supply chain. With the relentless growth of e-commerce and the increasing demands for efficient and reliable delivery services, understanding how IoT affects last-mile logistics is increasingly becoming important. Through the integration of IoT technologies such as GPS tracking, RFID systems, and real-time data analytics, the study aimed to assess the extent to which the application of the IoT affects the cost and quality of last-mile distribution in South Africa. As a result, the study provides valuable insights into the potential cost savings or increases associated with IoT adoption, quality challenges and areas of improvement, customer satisfaction and the overall performance of last-mile distribution systems. The methodology involves the collection of primary data from selected distribution companies in South Africa. Statistical software was used to analyse the data to shed light on the tangible benefits and challenges associated with IoT adoption in last-mile logistics as they relate to cost and quality. The research findings indicate that implementing IoT in last-mile distribution systems in South Africa can significantly improve efficiency and effectiveness. The IoT integration with existing infrastructure enables seamless communication, proactive decision-making, and reduced delivery delays. Overall, by leveraging IoT technologies and real-time data analysis, organisations can optimise their distribution processes, reduce costs, improve quality, and enhance overall customer experience.
这项研究调查了物联网对最后一英里物流的成本和质量的影响,最后一英里物流是供应链中至关重要的最后阶段,通常也是充满挑战的最后阶段。随着电子商务的迅猛发展以及对高效可靠的配送服务需求的不断增加,了解物联网如何影响最后一英里物流变得越来越重要。通过整合 GPS 跟踪、RFID 系统和实时数据分析等物联网技术,该研究旨在评估物联网的应用在多大程度上影响了南非最后一英里配送的成本和质量。因此,该研究对采用物联网技术可能带来的成本节约或增加、质量挑战和改进领域、客户满意度以及最后一英里配送系统的整体性能提供了有价值的见解。研究方法包括从南非选定的配送公司收集原始数据。使用统计软件对数据进行分析,以揭示在最后一英里物流中采用物联网所带来的有形效益和挑战,因为它们与成本和质量有关。研究结果表明,在南非最后一英里配送系统中实施物联网可以显著提高效率和效益。物联网与现有基础设施的整合实现了无缝通信、主动决策,并减少了交货延误。总之,通过利用物联网技术和实时数据分析,企业可以优化其配送流程、降低成本、提高质量并增强整体客户体验。
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引用次数: 0
Improving supply chain risk assessment with artificial neural network predictions 利用人工神经网络预测改进供应链风险评估
IF 0.7 Q4 ENGINEERING, INDUSTRIAL Pub Date : 2023-12-31 DOI: 10.22306/al.v10i4.444
Nisrine Rezki, Mohamed Mansouri
Operational excellence serves as a cornerstone for the success of businesses,and effective risk management is key for minimizing disruptions, and ensuring business continuity. This paper proposes an innovative methodology that harnesses the power of machine learning in supply chain risk assessment to enhance the ability of organizations to identify, predict, and mitigate various risks that can impact their efficiency, effectiveness, and resilience. This study addresses the inherent subjectivity in human assessment which presents a significant challenges and potential biases in the evaluation process. Auditors, who play a crucial role in identifying and assessing risks within an organization's operations, often rely on subjective judgments influenced by their experiences, expertise, and personal biases. To mitigate this issue, we employ a deconstruction approach, breaking down risk factors into sub-factors, and leverage an Artificial Neural Network model as a predictive tool for accurate risk level predictions and enhanced assessment objectivity. Real-world data from a global automotive company specializing in wiring harnesses are utilized to train the Neural Network model, on a dataset of 2100 samples, exhibits good performance of risk prediction as evaluated by appropriate metrics such as Determination Coefficients and Mean Square Error. Overall, this research contributes to the advancement of risk management practices addressing the challenges of subjectivity in human assessment, to more objective by providing a reliable and data-driven framework that supports managers in strategic decision-making and fortifies supply chain operations through an early risk alarm, empowering organizations to proactively manage risks and achieve autonomy in effective risk management.
卓越运营是企业成功的基石,而有效的风险管理则是最大限度减少中断、确保业务连续性的关键。本文提出了一种创新方法,在供应链风险评估中利用机器学习的力量,提高企业识别、预测和缓解可能影响其效率、效益和复原力的各种风险的能力。这项研究解决了人类评估中固有的主观性问题,这种主观性给评估过程带来了巨大挑战和潜在偏见。审计人员在识别和评估组织运营中的风险方面发挥着至关重要的作用,他们往往依赖于受其经验、专业知识和个人偏见影响的主观判断。为了缓解这一问题,我们采用了一种解构方法,将风险因素分解为子因素,并利用人工神经网络模型作为预测工具,以准确预测风险水平,提高评估的客观性。在 2100 个样本的数据集上,利用一家专门生产线束的全球汽车公司的真实数据来训练神经网络模型,通过确定系数和均方误差等适当指标的评估,该模型显示出良好的风险预测性能。总之,这项研究有助于推进风险管理实践,解决人为评估中的主观性挑战,通过提供可靠的数据驱动框架,支持管理者做出战略决策,并通过早期风险警报强化供应链运营,使组织能够积极主动地管理风险,实现有效风险管理的自主性,从而使风险管理更加客观。
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引用次数: 0
Inventory planning of raw material using Silver Meal and Wagner Whitin Algorithm 使用银粕和瓦格纳-惠廷算法制定原材料库存计划
IF 0.7 Q4 ENGINEERING, INDUSTRIAL Pub Date : 2023-12-31 DOI: 10.22306/al.v10i4.437
Sapta Asmal, D. Kurniawan, Besse Indah, Muhammad Anshar, S. Suradi
Material inventory planning is needed in the industrial world to advance a business because it will affect the costs incurred, the production process, and the profits generated by the company. The company has a problem that occurs when the control of raw material inventory could be more optimal. It recorded that throughout 2021, 33.647,18 meters of fabric pants were stored in warehouses. This is influenced by several factors, including the calculation of safety stock, lead time due to uncertain logistics and the selection of methods that have not been maximized. The novelty of this research is that it discusses inventory planning, the methods used are Silver Meal Algorithm and the Wagner Whitin Algorithm. Data processed is on demand for clothes and jeans throughout 2021. The results show that the Silver Meal is suitable for five materials, and the Wagner Whitin Algorithm is on one material. Companies can use both methods for each raw material. Nevertheless, it is more optimal if the company utilizes only one method for procurement of raw materials, the Silver Meal because when it is used in the long term, the cost of raw materials is less than the Wagner Whitin Algorithm. The Siler Meal’s total inventory cost is Rp. 138.281.497, and the Wagner Whitin Algorithm is Rp. 170.010.097
在工业领域,原材料库存规划对企业的发展至关重要,因为它将影响企业的成本、生产流程和利润。该公司在原材料库存控制方面存在问题。根据记录,在整个 2021 年,有 33,647,18 米的布料裤子储存在仓库中。这受到多个因素的影响,包括安全库存的计算、不确定的物流导致的提前期以及未最大化的方法选择。这项研究的新颖之处在于它讨论了库存规划,使用的方法是银餐算法和瓦格纳-惠廷算法。所处理的数据是 2021 年全年对衣服和牛仔裤的需求。结果表明,银粕算法适用于五种材料,而瓦格纳-惠廷算法适用于一种材料。企业可以对每种原材料同时使用这两种方法。尽管如此,如果公司只使用银粕这一种方法采购原材料,则更为理想,因为长期使用银粕法,原材料成本低于瓦格纳-惠廷算法。银粉的总库存成本为 138.281.497 印尼盾,而瓦格纳-惠廷算法的总库存成本为 136.998.97 印尼盾。138.281.497 印尼盾,而瓦格纳-惠廷算法为 170.010.097 印尼盾。170.010.097
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引用次数: 0
Streamlining logistics flows with lean tools using TX Plant Simulation software support 利用 TX 工厂模拟软件支持精益工具简化物流流程
IF 0.7 Q4 ENGINEERING, INDUSTRIAL Pub Date : 2023-12-31 DOI: 10.22306/al.v10i4.442
M. Pekarcikova, P. Trebuna, M. Dic, Jaroslav Markovic
A critical factor in the manufacturing industry is waste and losses in individual operations and processes. The expansion of elements of lean production, such as the pull system with the interconnection of key technologies, brings new elements of production planning and control. Thanks to new technologies, many more possibilities exist to uncover potential bottlenecks. Simulations and modelling bring new possibilities for experimentation in the virtual environment of prepared systems or devices without directly disturbing the functioning system. The presented article deals with the issue of applying lean approaches in finding optimal solutions within logistics flows. The aim of the article is to define and test the potential for streamlining logistics flows with TX Plant Simulation software support. The research and empirical part of the study was solved based on a rigorous analysis of the initial situation in a specific company for the selected product group, as the Value Stream Mapping method was used for the analysis. A simulation model of a real line was created in the TX Plant Simulation software with the help of the Value Stream Mapping library for value creation, which is part of the software. The goal was to find out possible waste within the logistics flow, and its causes and propose the necessary steps to eliminate the waste.
制造业的一个关键因素是个别操作和流程中的浪费和损失。精益生产要素的扩展,如与关键技术互联的拉动系统,为生产规划和控制带来了新的要素。有了新技术,就有了更多发现潜在瓶颈的可能性。模拟和建模为在虚拟环境中对准备好的系统或设备进行试验提供了新的可能性,而无需直接干扰正在运行的系统。本文探讨了在物流流程中应用精益方法寻找最佳解决方案的问题。文章的目的是在 TX 工厂仿真软件的支持下,确定并测试精简物流流程的潜力。研究和实证部分是在对一家特定公司选定产品组的初始情况进行严格分析的基础上解决的,因为分析中使用了价值流图法。在 TX 工厂模拟软件的帮助下,利用该软件中的价值流映射库创建了一个真实生产线的模拟模型。目标是找出物流流中可能存在的浪费及其原因,并提出消除浪费的必要步骤。
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引用次数: 0
Assessing the Bullwhip effect in supply chain: trends, gaps, and overlaps 评估供应链中的牛鞭效应:趋势、差距和重叠
IF 0.7 Q4 ENGINEERING, INDUSTRIAL Pub Date : 2023-12-31 DOI: 10.22306/al.v10i4.426
Diego Tamayo, Javier Orjuela-Castro, Milton Herrera
Due to operational and behavioral factors, the Bullwhip effect (BWE) arises with variations in the logistics flow, yielding uncertainty and disturbances along the supply chain (SC). Previous studies have discussed isolated approaches, underestimating the influence of behavioral aspects over operational ones, and multi-factor analysis, which helps to measure and diminish the BWE. This study systematically assesses the bodies of knowledge to identify new trends, emphasizing gaps and overlaps to underly behavioral-operational links and multi-factor scenarios through a unified frame of reference built during the paper review. The results from this research spot new BWE trends like COVID and closed-loop supply chain (CLSC) driven by disruption and return flows; the influence of behavioral causes over pricing, returning flows, production capacity, and batching; the combination of multi-factor topics like pricing, production capacity, synchronization, and order batching. This overview contributes to understanding new trends and connections in the issues, highlighting logistic challenges and opportunities to explore future studies with a broader scope. It also elucidates the BWE causes and how to handle them, which could assist in comprehending its effects and advantages on the technical elements of logistics.
由于操作和行为因素,牛鞭效应(BWE)会随着物流流的变化而产生,从而导致供应链(SC)上的不确定性和干扰。以往的研究讨论了孤立的方法(低估了行为方面对操作方面的影响)和多因素分析(有助于衡量和减少牛鞭效应)。本研究系统地评估了这些知识体系,以确定新的趋势,强调差距和重叠,通过在论文审查过程中建立的统一参考框架来确定行为-操作联系和多因素方案。研究结果发现了新的 BWE 趋势,如由中断和回流驱动的 COVID 和闭环供应链(CLSC);行为原因对定价、回流、产能和分批的影响;定价、产能、同步和订单分批等多因素主题的组合。本综述有助于了解这些问题的新趋势和联系,突出物流方面的挑战和机遇,以探索未来范围更广的研究。它还阐明了 BWE 的成因和处理方法,有助于理解其对物流技术要素的影响和优势。
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引用次数: 0
Profit comparison analysis in production system simulation based on lean principles to achieve sustainable manufacturing 基于精益原则的生产系统模拟利润比较分析,实现可持续生产
IF 0.7 Q4 ENGINEERING, INDUSTRIAL Pub Date : 2023-12-31 DOI: 10.22306/al.v10i4.441
Saiful Mangngenre, Besse Indah, N. Syamsul, Andi Nurwahidah, Muhammad Bagus
Companies can achieve effective and efficient process if they make continuous improvements to achieve sustainability. In general, companies are aware of waste in the production process, but do not carry out measurements and analyzes related to this waste, including unit cost and profit analysis. A production system is needed that is able to minimize the unit costs and maximize profits in the company, one of the concepts used is the lean concept. This study aims to analyze the cost unit and profit generated in production systems that apply lean principles. Production system simulation is carried out using the concepts of Heijunka, Jidouka, and Kanban System. These three concepts are applied to a production system simulation that uses miniature cars with unit cost and profit comparison outputs with traditional production systems, pull systems, heijunka, jidouka, and Kanban systems. The results show that the unit cost of simulations 1 to 6 is getting lower, while the profit is increasing. In simulations 1 and 2 no profit was obtained because of implementing the traditional system while in simulations 3 to 6 there was an increase in profit because they had applied lean principles to the production system. Simulations that have implemented the lean concept have low unit costs and increasing profits, but what distinguishes the work methods applied. Production systems that apply the lean concept can help a company achieve sustainability in the economic field.
如果企业能不断改进生产流程,实现可持续发展,就能实现高效率、高效益的生产流程。一般来说,企业意识到生产过程中存在浪费,但并没有对浪费进行相关的测量和分析,包括单位成本和利润分析。我们需要一个能够使单位成本最小化、利润最大化的生产系统,精益理念就是其中之一。本研究旨在分析应用精益原则的生产系统所产生的单位成本和利润。生产系统模拟采用了 Heijunka、Jidouka 和 Kanban 系统的概念。这三个概念被应用于使用微型汽车的生产系统模拟,并与传统生产系统、拉动系统、Heijunka、Jidouka 和 Kanban 系统进行单位成本和利润比较输出。结果显示,模拟 1 至模拟 6 的单位成本越来越低,而利润却越来越高。在模拟 1 和 2 中,由于实施了传统系统,没有获得利润,而在模拟 3 至 6 中,由于在生产系统中应用了精益原则,利润有所增加。采用精益理念的模拟系统单位成本低,利润增加,但所采用的工作方法有何不同。应用精益理念的生产系统可以帮助企业在经济领域实现可持续发展。
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引用次数: 0
Digitalization, innovation and marketing in logistics 物流业的数字化、创新和营销
IF 0.7 Q4 ENGINEERING, INDUSTRIAL Pub Date : 2023-12-31 DOI: 10.22306/al.v10i4.440
H. Al-Ababneh, M. Dalbouh, S. Alrhaimi, Ibrahim Siam, Тatyana Ibragimkhalilova
Global digitalization has caused a modification of the modern world market and the adaptation of business strategies of modern companies. The target of the research is to define the peculiarities of trends in the evolution of digitalization, innovation in marketing and logistics of modern companies. It is substantiated that the efficiency and competitiveness of a business are constructively related to the implementation of digital innovative technologies in the marketing and logistics system to optimize business processes and reduce management and operating costs. Based on scientific generalization, it is indicated marketing and logistics interaction and specific features of key aspects in influencing competitiveness. Based on structural and logical analysis, revolutionary technologies and innovations in the marketing and logistics system are highlighted for maximum automation of business processes of modern companies, based on which their development trends are determined. The need for a systematic approach to the consideration of marketing and logistics as inseparable elements of the continuous cycle of companies (production-promotion-sales-service-logistics) is put forward. Based on structural and logical analyze peculiarities of the implementation of the marketing logistics system of companies in conditions of digitalization and innovation, which can be applied in the forming a digital marketing strategy and managing the logistics system of companies in the long term.
全球数字化改变了现代世界市场,也改变了现代企业的经营战略。本研究的目标是确定现代企业数字化、营销创新和物流发展的趋势特点。研究证实,企业的效率和竞争力与在营销和物流系统中实施数字化创新技术以优化业务流程、降低管理和运营成本具有建设性关系。在科学概括的基础上,指出了营销与物流的互动关系以及影响竞争力的关键环节的具体特征。在结构和逻辑分析的基础上,强调了营销和物流系统中的革命性技术和创新,以最大限度地实现现代企业业务流程的自动化,并在此基础上确定其发展趋势。提出了将营销和物流作为企业连续循环(生产-推广-销售-服务-物流)中不可分割的要素进行系统考虑的必要性。基于结构和逻辑分析企业在数字化和创新条件下实施营销物流系统的特殊性,这些特殊性可用于制定数字化营销战略和长期管理企业物流系统。
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引用次数: 0
The disruptive times of Covid-19: higher education leadership and management logistics in Arab nations Covid-19 颠覆性时代:阿拉伯国家高等教育领导力和管理后勤
IF 0.7 Q4 ENGINEERING, INDUSTRIAL Pub Date : 2023-12-31 DOI: 10.22306/al.v10i4.428
Habib Fardoun, Ghassan Aouad, Georges Yahchouchi
The COVID-19 Pandemic has changed many parts of the world, turning everything upside down in its path. Everything has changed, not just education, which has seen some unexpected changes in many places worldwide. There has been a rapid transition to online education in Arab nations due to COVID-19, which has both positives and cons. Most institutions can already adapt to education's digital teaching and learning-based future. In this study, a narrative non-systematic review methodology was used to examine the influence of COVID-19 on postsecondary education, the function of academic leaders, and the administration of Arab nations. For this investigation, a total of twenty-six pertinent scientific publications published by Arab countries were considered. Findings revealed that the psyche and emotions of students have been suffering from the limitations of the online higher education system. It was also noticed that students and teachers faced huge problems during this pandemic. The review also explored the strength of existing Middle Eastern countries' digital infrastructure facilities. Despite many limitations, instructors, institutions, and students learned many essential things during this critical Covid-19 period. Additionally, they learned how to adapt to a technology environment, which is crucial for professional success. The study's findings support the attitudes of students, teachers, leaders, managers, and other stakeholders toward online learning in challenging circumstances also in the field of logistics and transport.
COVID-19 大流行已经改变了世界上的许多地方,使沿途的一切都发生了翻天覆地的变化。一切都变了,不只是教育,全球许多地方的教育也发生了一些意想不到的变化。由于 COVID-19 的影响,阿拉伯国家迅速向在线教育过渡,这有利也有弊。大多数机构已经能够适应教育数字化教学和以学习为基础的未来。在本研究中,我们采用了非系统回顾的叙事方法来研究 COVID-19 对中学后教育、学术带头人的职能以及阿拉伯国家行政管理的影响。本次调查共考虑了阿拉伯国家出版的 26 份相关科学出版物。调查结果显示,在线高等教育系统的局限性给学生的心理和情感造成了伤害。研究还注意到,学生和教师在这一流行病中面临着巨大的问题。研究还探讨了中东国家现有数字基础设施的优势。尽管存在许多限制,但教师、机构和学生在 Covid-19 这一关键时期学到了许多重要的东西。此外,他们还学会了如何适应技术环境,这对职业成功至关重要。研究结果支持了学生、教师、领导者、管理者和其他利益相关者在物流和运输领域也面临挑战的情况下对在线学习的态度。
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引用次数: 0
Analysis of the usage of modern marketing strategies in commercial logistics 现代营销战略在商业物流中的应用分析
IF 0.7 Q4 ENGINEERING, INDUSTRIAL Pub Date : 2023-12-31 DOI: 10.22306/al.v10i4.427
A. Behúnová, L. Knapčíková, Arina Vechkileva
In modern marketing, analysing and acting on buyers' needs is very important. Companies try to listen to the opinions of consumers because "they are always right". Marketing for commercial logistics plays an important role. All the goods in the world are transported by air, sea, pipeline, road and rail. Based on this, large logistics companies that need customer orders and customers who need their services use modern marketing strategies to sell their services. The consumer wants the company to do everything for him at the highest level. He does not turn to the first company he meets but evaluates the market and chooses the best one. The success of the company depends on which strategy the company chooses. Therefore, analysing these strategies is important for society, and only after analysing many examples used in the modern world will it not make a mistake in its choice. The research aims to analyse the innovative marketing strategies companies use in commercial logistics to sell their products and services successfully. In total, five modern marketing strategies were analysed, which are diametrically different and, due to their uniqueness, specific to different types of companies.
在现代营销中,分析买家需求并根据需求采取行动非常重要。公司会尽量听取消费者的意见,因为 "他们总是对的"。商业物流营销发挥着重要作用。世界上所有的货物都是通过空运、海运、管道、公路和铁路运输的。在此基础上,需要客户订单的大型物流公司和需要其服务的客户使用现代营销策略来推销其服务。消费者希望公司为其提供最高水平的服务。他不会选择第一家公司,而是会对市场进行评估,选择最好的公司。公司的成功取决于公司选择的战略。因此,分析这些战略对社会非常重要,只有在分析了现代世界中使用的许多实例之后,社会才不会在选择上犯错误。本研究旨在分析企业在商业物流中为成功销售产品和服务而使用的创新营销策略。总共分析了五种现代营销策略,这些策略截然不同,由于其独特性,针对不同类型的公司。
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引用次数: 0
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Acta Logistica
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