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The paper aims to study car assembly line, to show its productivity rate, and to derive a mathematical model for the productivity rate of the assembly line segmented into sections with embedded buffers.

The paper performs productivity calculations based on data obtained from the assembly processes of a car and shows the maximum productivity of the assembly line. The equations of the assembly line productivity, the optimal number of assembly stations, and the necessary number of the assembly line's sections with buffers are derived via the criterion of maximum productivity.

The paper provides the productivity diagram of the assembly line that illustrates various measures of productivity, one that depends on the number of assembly stations, the number of sections in the line, and the capacity of the buffers. The diagram is based on the proposed mathematical equations for the productivity of the assembly line as a function of the assembly technology, number of stations, number of sections, and the capacity of the buffer.

Solutions towards increasing the productivity of the assembly line are given based on the results of the study and analysis of the assembly processes in real industrial environments.

The paper includes the equation for the productivity of the assembly line, which is segmented into sections with limited capacity of the buffers, thereby enabling the calculation of its maximum productivity and the optimal number of assembly stations.

The paper presents an analysis of productivity and a mathematical model for calculating the productivity of the assembly line, which is segmented into sections with embedded buffers of limited capacity. The initial results of the research have been obtained from a real industrial environment.

The purpose of this paper is to study and perform a system analysis of car assembly line processes, to show productivity losses and their causes, and to derive a mathematical model of the productivity rate of the assembly line.

The paper performs productivity calculations based on data obtained from the assembly processes of a car cabin and shows the losses of productivity and their causes. The equations of the assembly line productivity rate and the optimal number of assembly stations are derived by the criterion of maximum productivity.

The paper provides a productivity diagram that illustrates various productivity losses and their associated causes together with the output of car assembly processes. The diagram is based on proposed mathematical calculations. It is a derived analytical model of the productivity rate of the assembly line as a function of the assembly technology, number of stations, reliability of machine and mechanisms, as well as managerial and organizational factors.

Solutions to decrease the productivity losses of the assembly line are given based on the results of the study and analysis of the assembly processes in real industrial environments.

The paper includes implications of the methodology used in the investigation of the productivity of the assembly line, and the equation of the productivity rate, which allows for the calculation of maximum productivity and the optimal number of assembly stations.

The paper presents a method of analysis of the productivity and a mathematical model for calculating the productivity rate of the assembly line. The results of the research are obtained from a real industrial environment.

Cash-waqf is one of the transformative models of waqf assets submission to optimize the receipt of waqf of money in Indonesia. Currently, cash-waqf can be paid through the platforms that are integrated with digital sharia banking systems (DSBS) such as Jadiberkah.Id (Bank Syariah Mandiri), Digital Wakaf Hasanah (Bank Negara Indonesia Syariah) and other waqf online services provided by Bank Syariah Bukopin, Bank Commerce International Merchant Bankers Niaga and Bank Rakyat Indonesia Syariah. This study aims to investigate the role of DSBS in stimulating Muslim youth’s decision to endow cash-waqf in Indonesia.

This research involved 225 Muslim youth from several universities across the Special Province of Yogyakarta and Central Java as the research respondents. The analysis was conducted using partial least square structural equation modeling with WarpPLS 7.0.

The result of the structural model indicates that the research model is structurally good since it meets all model criteria. Perceived ease of use (PEU) is found as the most significant predictor of perceived usefulness (PU). Both generate a significant effect on Muslim youths’ attitudes toward DSBS. Overall, subjective norm (SN), perceived behavioral control (PBC), PU and attitudes are important determinants that lead individual decisions to use the online cash-waqf payment through DSBS. Finally, the research findings conclude that DSBS plays a significant role in encouraging the interest of young Muslim generations to participate in cash-waqf transactions.

This study seeks to contribute to the existing literature by enriching the discussion on DSBS’s service, especially in the context of optimizing the collection of Islamic Philanthropy through cash-waqf transaction. Also, this study integrates theory of planned behavior (TPB) and the technology acceptance model (TAM) into a single research model to explore the determinants of cash-waqf participation in digital era.

This study aims to explore the determinants that impact state Islamic University/Perguruan Tinggi Keagamaan Islam Negeri students’ intention to adopt online cash waqfs. In doing so, this study integrates knowledge of cash waqf and trust variables within the theory of planned behavior (TPB), allowing an examination of the mediating role of TPB variables and trust within the relationship between knowledge of cash waqf and intention for online cash waqf behavior.

To carry out an empirical analysis, the authors developed a well-structured questionnaire and distributed it to a group of students currently enrolled in PTKIN, obtaining 443 usable responses. The partial least squares-structural equation modeling (PLS-SEM) technique was used for the dual purposes of data analysis and hypothesis testing.

This study demonstrates that factors such as attitude, subjective norms, perceived behavioral control, trust and knowledge of cash waqf have a significant and favorable influence on the intention to donate through e-cash waqf. Knowledge of cash waqf impacts attitudes, subjective norms, perceived behavioral control and trust. The final analysis shows that attitude, subjective norms, perceived behavioral control and trust partially mediate the relationship between knowledge and intention in the online cash waqf context.

The aforementioned elucidates the paramount importance of trust in shaping individuals’ tendencies to engage in cash waqfs. The insights mentioned have the potential to be used by cash waqf establishments to promote transparency and accountability, ultimately bolstering the confidence of potential donors.

The concepts of waqf and the use of online cash waqf as a means of donation in developing countries are relatively new. In this study, the intention of students to adopt online cash waqf was predicted for the first time by considering their knowledge of cash waqf and their trust in online cash waqf transactions.

This study aims to develop a measurement model of the halal supply chain resilience (HSCRES) index, which represents the capability of the supply chain (SC) to handle disruption caused by halal risks. A case study is conducted to apply the HSCRES index in the halal chicken SC in Yogyakarta, Indonesia, to test the proposed methodology.

A literature synthesis was conducted to establish the main capability and vulnerability factors and their relevant indicators. The indicators were validated using the confirmatory factor analysis approach. Then, applying an analytical hierarchy process involving ten experts – practitioners and academicians – the weight of each indicator was obtained. A survey of 20 employees of slaughterhouses, 35 sellers and 100 consumers was conducted to obtain the value of each indicator. Finally, the HSCRES index was calculated by comparing the total weighted capability value to vulnerability.

The results revealed that the resilience of halal chicken SC in Yogyakarta is at a good level, with an index of 3.459, and “halal team” is the most significant indicator. The findings also revealed several capabilities that need improvement, including dedicated halal facilities, employees’ halal competence and halal regulation. However, the lack of a halal certification board, lack of management commitment and packaging contamination were found as vulnerability indicators that need to be reduced.

The case of this study is limited to the halal chicken SC in Yogyakarta, Indonesia. As a consequence, the obtained results are limited to a specific context. The application of this method to different areas and objects enables the establishment of different capability and vulnerability indicators.

The halal resilience measurement model offers a comprehensive understanding of the strengths and weaknesses of the HSC. The findings can help stakeholders improve preparedness for halal risks, deal with halal risks better and recover more quickly. Measuring the HSCRES index can be particularly useful for policymakers in developing evidence-based strategies to increase HSCRES.

The current study is the first to define and classify the contributing halal resilience attributes and also to calculate the halal resilience index.

Cultivating customer loyalty is extremely crucial for fast-food players to remain competitive in the industry. This research is discovering the path to cultivate customer loyalty through experience that is built based on auditory, gustatory, haptic, olfactory and visual cues.

Quantitative research has been conducted by distributing survey questionnaires to customers at selected fast-food restaurants in urban areas. The collected data has been analyzed by descriptive and structural equation modeling analysis.

The customers' loyalty to fast food can be cultivated through gustatory, haptic and olfactory cues. However, auditory and visual are not functioning as marketing cues to cultivate customer loyalty.

The fast-food players may emphasize gustatory, haptic and olfactory marketing cues to cultivate customer loyalty. These cues can be shared through experience.

This study has discovered the potential ways to cultivate customer loyalty in dining at fast-food restaurants within the Malaysian market.

This paper aims to assess the importance of maximizing resources in an institution to promote knowledge management (KM) practices, namely, leadership, information technology (IT) and KM. The relationship among them was analyzed. Previous studies’ relating aspects of KM were concerned about the industry; however, the academic institution has not received much attention. Therefore, to address this in an academic setting, the authors developed research model by focusing on an academic institution.

The authors used structural equation modeling to check the research prototype with a sample of 160 respondents. The respondents were heads of departments, lecturers and general employees. In addition, the authors used SPSS to measure demographic, non-response bias and generate descriptive statistics.

The findings of this research show that the leadership style with path goal theory and IT are elements that support KM program in university setting. The results of hypothesis are displayed in Figure 2, including examining factors that influence of path goal theory, technology and KM program. In other hand, path goal theory had a positive influence on KM program (c = 0.13, p < 0.05), and IT had a positive influence on KM program (c = 0.20, p < 0.05).

Finally, the authors are not to claim that this will be suitable in many academic institutions and organization types. In this study, the authors tested or checked existing leadership style in university, then suggest/explain to University what style of leadership currently they have and suggest to them how this style may support knowledge sharing practice in University. While the strength of this study provides an opportunity to explore the KM program of an academic institution, limitations do exist above. Therefore, this statement needs to be investigated and validated further.

The findings of this research may help companies and workers to initiate sharing knowledge or to encourage knowledge sharing in University. In addition, managerial staffs/officers are supposed to make standardization or regulation to encourage workers’ participation for transferring their knowledge. In this aspect, company needs create such as training or formal/informal meeting to make their workers more confidence to communicate each other.

The authors have combined various aspects, namely, KM, leadership style and social media tools, to solve the obstacle of knowledge sharing practices.

The increasing number of tourists in the Muslim world every year has encouraged digital business developers and the Sharia banking industry to integrate halal product and service apps with the Sharia mobile banking system. The fourth wave of the industrial revolution has changed the consumer paradigm, creating a young generation that uses digital service transaction systems in their daily lives. This paper aims to investigate the factors that determine intention to use halal tourism apps amongst Muslim tourists to provide insights promoting the development of halal tourism in Indonesia.

The research was conducted using an online survey approach. The sample comprised 205 Muslim Millennial and Generation Z travellers. The data collected were analysed using partial least square structural equation modelling. There were three analysis stages: evaluation of the measurement model, assessment of the structural model and hypothesis testing.

The findings indicated that trust mediated the relationship between perceived ease of use and perceived usefulness on individual intentions and that halal knowledge positively and significantly impacted individual intentions. In contrast, religiosity was not a significant influence on individual intentions.

The paper expanded the technology acceptance model by incorporating the key constructs of halal knowledge, religiosity and trust into an integrated research framework; this represented a novel step, especially in the context of halal tourism. The finding that trust mediated the relationship between perceived ease of use and perceived usefulness fills a gap in previous research, which has rarely included the trust construct in technology acceptance models.

Systematic reviews have contributed substantially to the development of knowledge in various academic fields and have helped discover new research potentials in a systematic manner. Specifically, this study aims to conduct a systematic bibliometric review to address ethical issues across the halal food supply chain (HFSC), as well as to identify the ethical challenges that food handlers face in ensuring authenticity, compliance with Shariah law and avoidance of contamination with non-halal ingredients in halal food products.

A bibliometric approach was used to analyse 263 publications from the Scopus database. The present research analysed the documents’ bibliographical data based on publication year, source title, country of origin, institution, authorship, keywords and citation count. The VOSviewer software was applied to perform citation and co-word analysis, as well as to construct bibliometric networks centred on the topic of ethical issues in the HFSC. This bibliometric review provides valuable insights for researchers to identify key publications and comprehend the foundational structure of the subject matter. It also helps guide future research into significant trends and new areas of study.

Citation analysis provides valuable insights into influential publications and the interconnectedness of research on HFSC. A co-word analysis revealed that discussions on ethics and integrity in the HFSC primarily revolved around the concept of halal and its implications, particularly in supply chain management. However, the limited frequency and prominence of these keywords suggests a scarcity of academic discourse on ethical matters in this field. Moreover, ethical considerations not only serve as a critical aspect of ensuring halal integrity but also emerge as a strategic imperative in marketing, brand management and the operation of global businesses.

This study addresses the need to examine the knowledge gap in the literature on ethical practices and issues in HFSC. Although there is a significant amount of academic writing in the halal context, there is a scarcity of research that specifically focuses on the ethical aspects of HFSC. This study also offers a framework for investigating the ethical practices and issues in HFSC.