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The relationship between just-in-time (JIT) and supply chain disruption risk is unclear from the existing literature. This paper aims to investigate the impact of supplier JIT and customer JIT on supplier disruption risk (SDR), internal disruption risk (IDR), and customer disruption risk (CDR) and explore the moderating role of supply chain centralization.

Based on survey data collected from 213 manufacturing firms in China, this study employs structural equation modeling with SmartPLS 3.0 to test the main proposed model and applies an ordinary least square regression to test the moderating effect.

The results demonstrate that supplier JIT is positively related to SDR and negatively associated with IDR. Customer JIT is positively associated with CDR but has no significant effect on IDR. The results also show that SDR and CDR lead to IDR and mediate the relationship between supplier JIT, customer JIT, and IDR. In addition, supply chain centralization amplifies the positive impacts of supply chain JIT on SDR and IDR.

This study makes two main contributions. First, the study provides a comprehensive analysis of the relationship between supply chain JIT and disruption risk. Second, the study addresses that implementing JIT in a supply chain with a centralized decision-making structure leads to a higher level of disruption risk.

Implementing just-in-time (JIT) practices on the supplier side is a common practice to streamline procurement and production planning in realization of cost efficiency and lead time reduction. However, it is little known how supplier JIT is related to firm flexibility performance and what factors may facilitate the relationship. This study aims to investigate the effects of supplier JIT on flexibility performance and explore the moderating impacts of advanced manufacturing technology (AMT) and human resource empowerment (EMP).

This study applies hierarchical linear regression analysis to test the proposed model based on data collected from 213 manufacturing firms in China.

The results revealed a negative influence of supplier JIT on flexibility performance. However, the adoption of AMT and EMP reconciles the conflict between supplier JIT and flexibility performance. Besides, the results indicate the positive effects of AMT and EMP on flexibility performance.

This study contributes to supply chain JIT literature by providing a holistic view to understand the structural relationships between supplier JIT, AMT, EMP and flexibility performance.

The fast-growth of tourism industry in sub-Saharan Africa (SSA) has increased supply chain activities that harm the environment. Although there are some studies which have investigated the impact of tourism supply chain on sustainable performance, little is known on the side of SSA. Based on the natural resource-based view (NRBV), this study examines the effects of green purchasing, green packaging and reverse logistics on sustainable performance in SSA.

This study applies the structural equation modeling (SEM) to test the conceptual model based on the data collected in mid of 2020 from 167 firms in tourism industry in Tanzania.

The results demonstrate that green purchasing (GP) has positive effects on environmental performance (EVP) and social performance (SCP). Green packaging (GPa) has positive effects on EVP but no significant influence on SCP. Also, reverse logistics (RL) has positive effects on SCP but no significant influence on EVP. Besides, both EVP and SCP positively influence ECP and mediate the relationships between GP, GPa and RL with ECP.

This study provides a novel framework in sustainable tourism supply chain literature by empirically investigating the relationship between tourism supply chain practices and sustainable performance in SSA.

The purpose of the paper is to showcase the significant achievements of Egypt's scientists in the 20th century across various fields of study such as medicine, physics, chemistry, biology, math, geology, astronomy and engineering. The paper highlights the struggles and successes of these scientists, as well as the cultural, social and political factors that influenced their lives and work. The aim is to inspire young people to pursue careers in science and make their own contributions to society by presenting these scientists as role models for hard work and dedication. Ultimately, the paper seeks to promote the importance of science and its impact on society.

The purpose of this review is to present the scientific biographies of Egypt's most distinguished scientists, primarily in the field of Natural Sciences, in a balanced and comprehensive manner. The work is objective, honest and abstract, avoiding any bias or exaggeration. The author provides a clear and concise methodology, including a brief introduction to the scientist and their field of study, an explanation of their major contributions, the impact of their work on society, any challenges or obstacles faced during their career and their lasting legacy. The aim is to showcase the important achievements of these scientists, their impact on their respective fields and to inspire future generations to pursue scientific careers.

The group of outstanding scientists in 20th century Egypt were shaped by various factors, including familial upbringing, education, society, political and cultural atmosphere and state support for scientific research. These scientists made significant contributions to various academic disciplines, including medicine, physics, chemistry, biology, mathematics and engineering. Their impact on their communities and cultures has received international acclaim, making them role models for future generations of scientists and researchers. The history of these scientists highlights the importance of educational investments and supporting scientific research to foster innovation and social progress. The encyclopedia serves as a useful tool for students, instructors and education professionals, preserving Egypt's scientific heritage and honouring the scientists' outstanding accomplishments.

The encyclopedia preserves Egypt's scientific heritage, which has been overlooked for political or other reasons. It is a useful tool for a variety of readers, including students, instructors and education professionals, and it offers insights into universally relevant scientific success factors as well as scientific research methodologies. The encyclopedia honours the outstanding scientific accomplishments of Egyptian researchers and their contributions to the world's scientific community.

The practical implications of this paper are several. First, it highlights the importance of education, family upbringing and societal support for scientific research in fostering innovation and social progress. Second, it underscores the need for continued funding and support for scientific research to maintain and build upon the accomplishments of past generations of scientists. Third, it encourages young people to pursue scientific careers and make their own contributions to society. Fourth, it preserves the scientific heritage of Egypt and honors the contributions of its outstanding scientists. Finally, it serves as a useful tool for students, instructors and education professionals seeking to understand the factors underlying scientific success and research methodologies.

The social implications of the paper include promoting national pride and cultural identity, raising awareness of the importance of education and scientific research in driving social progress, inspiring future generations of scientists and researchers, reducing socioeconomic disparities and emphasizing the role of society, politics and culture in shaping scientific researchers' personalities and interests.

The paper's originality/value lies in its comprehensive documentation of the scientific biographies of Egypt's most prominent scientists in the 20th century, providing unique insights into the factors that contributed to their development and their impact across various academic disciplines. It preserves Egypt's scientific heritage and inspires future generations of scientists and researchers through the promotion of educational investments and scientific research. The encyclopedia serves as a useful tool for education professionals seeking to understand scientific success factors and research methodologies, emphasizing the importance of supportive and inclusive environments for scientific development.

This paper aims to synthesize a novel series of monoazo disperse dyes based on N-(1-phthalimidyl)-naphthalimides by coupling with substitute anilines, naphthylamines and naphthol derivatives.

The purification of the intermediates and the dyes was carried out by recrystallization. The structures of the synthesized intermediates and the dyes were elucidated by spectroscopic techniques. The absorption maxima, molar extinction coefficient and halochromic properties of the dyes were determined spectrophotometrically using solvents of different polarity.

The dyes were applied on polyester using a high-temperature high-pressure dyeing machine, and the dyeing performance parameters such as colour build-up on fabrics, wash fastness, perspiration fastness and light fastness were evaluated. The colour build-up was found to be very good and the wash fastness (4–5) and perspiration fastness (4–5) were excellent, whereas the light fastness was found to vary from moderate to very good (3–6).

It is not possible to investigate the structure of the synthesized dyes by nuclear magnetic resonance spectroscopic analysis due to the low solubility of dyes in deuterated solvents.

A novel method for the synthesis of a new category of monoazo disperse dyes based on N-(1-phthalimidyl)-naphthalimides was developed. These dyestuffs could be used in textile printing of polyester fabrics.

This study aims to compare recent topics on value-added tax (VAT) in the European Union (EU) and Gulf Cooperation Council (GCC), understand the differences in VAT discourses between the two regions and explore the connection between research agendas, institutional legacies and semantic output in the field of VAT in each territory.

A bibliometric study was conducted using R programming. The data were gathered from the Scopus database, which contains 99 English-language publications with publication dates ranging from 1996 to 2022 (87 of which are from the EU and 12 from the GCC). Information about publications, journals, authors and citations is gathered, validated, cross-referenced and analyzed using bibliometric metrics.

The results highlight two ideal research contexts for studying VAT: the EU countries approach VAT research with a centralized, pluralistic and quantitative focus, while the GCC countries adopt a centralized, qualitative and practically oriented approach, highlighting distinct research goals, collaboration styles and institutional legacies. The authors extend their result findings to broader discussions on competing knowledge systems in VAT, the significance of the state and the level of autonomy within tax governance after identifying the most popular issues among scholars working in GCC and EU countries.

Although the focus of this analysis is restricted to the GCC and EU, it includes theoretical recommendations for broadening its application to other nations. Researchers from the GCC and the EU may benefit from this study by gaining more about VAT and being encouraged to share their research with young researchers. The study’s findings are relevant and important for comprehending the comparative state of research on VAT in GCC and EU countries, tax fields, publications and institutions.

This study analyzes the VAT systems of the GCC and the EU while identifying the intellectual structure of the field from each author’s point of view, revealing the scientometrics and informetrics intellectual structures in detail.

Food industry players obtain the advantages of profits growth within the halal industry whereby the market is dynamic to generate profit. Hence, this study aims to analyse the perception of food manufacturers towards the adoption of the halal food supply chain (HFSC).

For this study, 103 halal food manufacturers in Malaysia were selected as respondents. Perceptions of respondents towards HFSC were recorded using a five-point questionnaire. The questionnaire was designed by authors and adapted from a previous study. The questionnaire was circulated by two experts with proficiency in this filed.

By conducting exploratory factor analysis, the study found the perception of food manufacturers, which is expected business benefits play an important role in the adoption of HFSC. Halal integrity becomes the second factor to lead the company to its adoption. Organizational readiness is the third factor that drives the company to adopt HFSC.

Majority of the sample was responded by Bumiputera companies. The study suggests focussing the study for non-Bumiputera companies to examine their influence towards HFSC. Furthermore, future studies should explore different sectors of halal, such as pharmaceuticals, cosmetics, travel and tourism, logistics, finance and e-commerce. Moreover, ensuring the status of halal should be more emphasized in food chains; thus, the source of risk in HFSC should be explored to secure the integrity of halal.

The paper includes implications for the halal food industry, whereby the adoption of HFSC will contribute to the business benefits to create a more competitive advantage to the industry. Moreover, the implications of halal practice can create consumers’ trust on the halal product.

This paper fulfils an analysed need to study specifically on upstream parties by adopting HFSC.

The current study investigated the effect of internal marketing practices, specifically the training and rewards system, on job satisfaction, affective commitment and employee turnover intention.

Structural equation modeling analysis was conducted on a sample of 288 responses from employees working in different organizations and diverse industries in Morocco.

The findings revealed that internal marketing positively affected employee job satisfaction and affective commitment and negatively affected employee turnover intention.

The current investigation extends our understanding of the effects of internal marketing practices, especially training and rewards, on an emerging country context and contributes to the organizational behavior and management field. The results may be of interest to organizations and managers who should consider the importance of internal marketing in enhancing job satisfaction, affective commitment and decreasing employee turnover intention.

The current study is the first of its kind to investigate the impact of internal marketing practices on job satisfaction, affective commitment and employee turnover intention in Morocco.

The paper aims to study the impact of corporate governance variables on the adoption of accounting conservatism by S&P BSE 500 index firms.

The period for the study is from 2010–2018. The data has been extracted from the BSE website, annual reports of the sample companies and the Prowess IQ database. Panel data methodology has been used to analyse the impact of the corporate governance variables on accounting conservatism. Accounting conservatism is the dependent variable, which has been measured by using the CONACCR (negative accruals) measure and the independent variables include the characteristics of the board of directors and the audit committee.

Overall, the relationship between accounting conservatism and corporate governance indicates a significant impact of corporate governance variables, namely, characteristics of the board of directors and the audit committee, on the accounting conservatism policy of the firm.

This research explores the benefits of conservatism in resolving agency conflict. Very few studies have captured the relationship of individual components of corporate governance with accounting conservatism. Moreover, this study contributes to the literature regarding the influence of corporate governance variables on the extent of conservatism used in accounting records.