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This paper is about customer relationships from the perspective of small suppliers. More precisely, this paper aims to examine the relational implications through a product portfolio model with the main participants of the buying center (buyer/business manager).

The study first uses an in-depth qualitative data analysis to explore how elements of small suppliers’ relationship with such large customer’s main actors are affected by the nature of the product (categorized between strategic, bottleneck and non-critical items). From the results, an empirical model is drawn of small suppliers’ relational strategies in a product-centered and buyer/business manager relationship typology. To analyze the results of the empirical model, a quantitative analysis is performed, using the fuzzy set qualitative comparative analysis approach.

This study contributes to deepen the supplier–customer relationship analysis, from a product-centered and customer dyadic perspective (buyer and customer business manager). The findings highlight three different small suppliers’ relationship strategy with a different level of involvement of the different participants of the buying center.

Few studies so far analyze vertical asymmetric relationships from a triadic perspective composed of the small supplier, the buyer and the business manager – hence, this study contributes to unveiling some of the relationship complexity within a triad of actors and how small suppliers can navigate through this complexity according to their product or service positioning.

In this paper, the authors review the extant literature on e-learning effectiveness in higher education (HE) to investigate how teachers are affected by the actions that the management of higher education institutions (HEIs) need to take to address the success factors that are critical for e-learning effectiveness. E-learning, in the context of this study, encompasses the delivery of and access to a coordinated collection of learning materials and instructions over an electronic medium using a web server to provide the materials and a web browser to access them.

To address the study's aims the authors employ a narrative literature review methodology. Since the area under review is comprehensive and it entails the examination of several topics, the authors have selected this methodology to ensure thorough coverage, and a narrative literature review approach can provide the required degree of thoroughness as it covers a wide range of topics within the thematic area under review. The authors focus on contemporary scientific studies published between January 2017 and May 2022 on how teachers involved in e-learning are affected by management actions taken to achieve success factors for e-learning effectiveness within the HE sector, after identifying and grouping the success factors identified in prior literature into dimensions that reinforce effectiveness.

The authors of the present study have identified and outlined the most prevalent success factor dimensions by performing a narrative review of the extant literature on the topics of e-learning effectiveness and success factors, and by grouping the various success factors identified into the overarching dimensions presented. These dimensions must also be examined in terms of their relevant importance to the most significant e-learning stakeholder groups. Prior studies have made attempts to obtain relevant stakeholder views on success factors for e-learning, with the student perspective naturally being the most widely covered point of view in terms of e-learning success factors prioritization. More studies are needed that tackle the teachers' perspective as well, since this would enable researchers to determine how teachers view e-learning effectiveness success factors.

The authors also discover that the main success factors in literature are not discussed nearly enough from teachers' perspectives. The authors, therefore, highlight the importance of addressing teachers' perspectives, mainly because this will reinforce teacher acceptance of the e-learning system adopted by an HEI, and the authors also outline future research avenues through which the perception of teachers could be obtained. The authors have identified the technique of knowledge management as a potential method to involve teachers in the decision-making process concerning the management of e-learning more, by taking their views into account and documenting them. The authors have discerned that teachers' acceptance of e-learning would be reinforced by supportive management actions since as a result, teachers see improvements in their technological literacy and pedagogical skills, and this would bring about increased motivation, satisfaction and acceptance of e-learning systems.

This study conducts a systematic literature review to examine the interrelationships between e-learning critical success factors, instructors' perceptions of these factors, and the corresponding institutional actions taken by higher education institutions to achieve success in e-learning implementation, by fostering instructors’ acceptance of e-learning as a viable mode of delivery in higher education.

The research design employed in this study involves a systematic literature review of 43 peer-reviewed articles from EBSCO host and Scopus databases. The selected methodology employed thematic analysis of the gathered data by utilizing a multistep qualitative coding method of analysis.

The systematic literature review delivers three key findings. First, there is a notable divergence between instructors' perceptions of critical success factors for e-learning in higher education and the perspectives of other stakeholders, such as students, e-learning experts, and institutional management. Second, it emphasizes the importance for higher education institutions to understand and address instructors' perceptions to facilitate effective e-learning implementation. Third, the literature suggests potential causal relationships between institutional actions addressing the success factors deemed important by instructors and instructors' sustained acceptance of e-learning as a viable delivery mode.

The present study enriches knowledge of instructor perceptions of critical success factors for effectiveness in higher education by extending research in institutional management actions to enable their achievement. This study has implications for research strands on how instructors’ motivation and propensity for e-learning acceptance can be influenced by institutional management and how to reduce the level of resistance to adopting e-learning courses by addressing e-learning’s critical success factors as perceived by instructors.

Based on the theoretical insights derived from the systematic literature review, a conceptual framework is constructed, integrating the three concepts under investigation: success factors, institutional actions, and instructors' acceptance of e-learning in higher education. This framework provides a basis for future research seeking to validate the potential causal relationships among these concepts. Moreover, the study contributes to existing literature by addressing and consolidating research strands related to critical success factors and instructors' perceptions of e-learning effectiveness in higher education.

This study aims to investigate factors that could predict the continued usage of e-learning systems, such as the learning management systems (LMS) at a Technical University in Ghana using machine learning algorithms.

The proposed model for this study adopted a unified theory of acceptance and use of technology as a base model and incorporated the following constructs: availability of resources (AR), computer self-efficacy (CSE), perceived enjoyment (PE) and continuance intention to use (CIU). The study used an online questionnaire to collect data from 280 students of a Technical University in Ghana. The partial least square-structural equation model (PLS-SEM) method was used to determine the measurement model’s reliability and validity. Machine learning algorithms were used to determine the relationships among the constructs in the proposed research model.

The findings from the study confirmed that AR, CSE, PE, performance expectancy, effort expectancy and social influence predicted students’ continuance intention to use the LMS. In addition, CIU and facilitating conditions predicted the continuance use of the LMS.

The use of machine learning algorithms in e-learning systems literature has been rarely used. Thus, this study contributes to the literature on the continuance use of e-learning systems using machine learning algorithms. Furthermore, this study contributes to the literature on the continuance use of e-learning systems in developing countries, especially in a Ghanaian higher education context.

This empirical study aims to explore the link between lean manufacturing practices (total quality management, just-in-time production, just-in-time purchasing, total productive/preventive maintenance), agile manufacturing, and operational and financial performance.

Data were collected from 205 Tunisian manufacturing firms, and the results were analyzed using structural equation modeling.

The results indicate that (1) lean manufacturing practices have a direct positive relationship with agile manufacturing except for just-in-time production, (2) agile manufacturing has a positive impact on operational performance and (3) lean manufacturing practices did not seem to contribute directly to operational performance. However, this relationship is significant when it is mediated through agile manufacturing.

This paper shows practitioners the importance of lean manufacturing practices to support agile manufacturing and the key role of agile manufacturing to ensure operational performance.

This paper presents an innovative approach since it studies simultaneously the three dimensions of lean manufacturing and their relationship with agile manufacturing and organizational performance.