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Despite the evident link between digitalisation and sustainability, many organisations have these two strategies operating on a parallel basis and not in a coordinated manner. Hence the objective of this work, which consists of proposing a model to analyse the connection existing between both strategies within the business environment, additionally relating them to innovation and Corporate Social Responsibility (CSR).

With that aim, the results of a survey answered by 98 managers of Spanish enterprises are examined using the PLS software, especially suited for the study of structural equations like the one put forward in this paper.

The conclusions drawn suggest that the most innovative firms are indeed the ones that invest to a greater extent in digitalisation and sustainability. It was also possible for us to verify that digitalisation exerts a positive influence on sustainability and that both the latter and digitalisation directly relate to CSR strategies. However, innovation as such does not constitute a requirement for CSR; instead, these Social Responsibility actions will take place when innovations rely on digitalisation and sustainability strategies.

Until now, most studies have addressed digitalisation and sustainability independently, with contradictory theoretical approaches in the literature about these two topics and a paucity of empirical results about the link between digitalisation and sustainability. The present study clarifies the relationships between sustainability and digitalisation, also relating them to innovation and CSR in the business environment.

The use of online social networks has experienced a vertiginous increase in the last few years, and young people appear as the key players in this trend. Immersed, educated and raised in the middle of technology, the new student generation is one of digital natives. Instead, lecturers are digital immigrants, but the authors have the responsibility to turn a technology which can be a distraction into a teaching tool. Facebook is an example of Web 2.0 technology that owns a huge potential in the field of education. The purpose of this paper is to show the teaching experience with the Facebook social network in human resource management degree subjects, for the purpose of highlighting its strengths and weaknesses.

A survey was carried out among university students in order to reach the goal. A total of 191 students were asked to give their opinion about the use of Facebook in teaching, achieving 125 valid answers.

Facebook can positively impact on the performance of students, who are satisfied with the experience and think that the information obtained in Facebook can improve their training. More negative attitudes towards Facebook appeared among those students who had not used it.

The paper summarises the strengths and weaknesses of Facebook through a literature review and assesses them via a survey.

This research investigates the impact of the strategic sourcing process on the supply chain response to COVID-19. The paper presents practitioners' perspectives (experts in supply chain management, especially involved in the procurement field) on the strategic sourcing process's impact on the supply chain response.

The study follows a survey-based approach for data collection. It uses a descriptive survey methodology where questions related to the impact of the strategic sourcing process on the supply chain response in the face of the coronavirus pandemic were explored by practitioners.

In total, 130 valid responses were obtained. The results showed that the majority of respondents agreed or strongly agreed that strategic sourcing positively impacts the supply chain response amid the COVID-19 effects. Also, for the five phases of the strategic sourcing process, the majority of respondents considered them as a high and very high impact on the supply chain response.

This paper provides timely insights for practitioners and academics, especially those involved in the supply chain management area, showing how the strategic sourcing process plays an important role in making supply chains more responsive amid disruption situations.

Findings of this paper clearly shows the impact of the phases of the strategic sourcing process on the responsiveness of the supply chains amid the COVID-19 pandemic. This can encourage supply chain leadership to devote more time to strategic sourcing initiatives to generate improvements on the supply chain performance.

This paper is unique since it brings an unexplored relation in respect to strategic sourcing amid disruption situations, such as the COVID-19 pandemic, from a practitioner's perspective. It also significantly contributes to developing new directions for the supply chain management domain to deal with large-scale disruptions, such as the coronavirus pandemic.

The aim of the study is to show that merging two areas of mathematics – topology and discrete optimization – could result in a viable option to solve classical or specialized integer problems.

In the paper, discrete topology concepts are applied to propose a metaheuristic algorithm that is capable to solve binary programming problems. Particularly, some of the homotopy for paths principles are used to explore the solution space associated with four well-known NP-hard problems herein considered as follows: knapsack, set covering, bi-level single plant location with order and one-max.

Computational experimentation confirms that the proposed algorithm performs in an effective manner, and it is able to efficiently solve the sets of instances used for the benchmark. Moreover, the performance of the proposed algorithm is compared with a standard genetic algorithm (GA), a scatter search (SS) method and a memetic algorithm (MA). Acceptable results are obtained for all four implemented metaheuristics, but the path homotopy algorithm stands out.

A novel metaheuristic is proposed for the first time. It uses topology concepts to design an algorithmic framework to solve binary programming problems in an effective and efficient manner.

This article develops a review of the university social responsibility literature to identify the most influential countries, authors, journals, and institutions, their structure, and research lines.

The review was carried out from a bibliometric and network analysis of documents published in the Web of Science database.

In total, 192 documents were found that were scientifically mapped in this field. From the network analysis, four research perspectives were identified: strategic impact management policy, user and its stakeholders, service-learning and its contribution to user, and theories, approaches, and strategies of University Social Responsibility (USR). Finally, the agenda for future research are presented.

The present work carries out a bibliometric and network analysis that seeks to contribute to the literature on USR, identifying its current perspectives and future lines of research.

This article sheds light on the missing links concerning the study of using integrated enabling technologies toward sustainable and circular agriculture supply chains by examining the available literature and proposing future research possibilities.

The relevant literature was researched through online databases such as Scopus, Web of Science, Academic Search Premier, Emerald, IEEE Xplore, Science Direct, World Scientific Net and Springer-Link Journals, covering a period from 1999 to 2020. A systematic literature review based on 75 papers analyzed the integration of the concepts of enabling technologies, sustainability, circular economy and supply chain performance in agriculture supply chains.

It was identified that enabling technologies and agriculture supply chains alone have been explored further than integrated enabling technologies, sustainability, circular economy, supply chain performance and agriculture supply chains. Enabling technologies and agriculture supply chains' main findings are: enabling technologies have been studied to improve food safety, food quality and traceability in agriculture supply chains. The main results regarding integrated enabling technologies, sustainability, circular economy, supply chain performance and agriculture supply chains are: Internet of Things and information communication technology play an important role in addressing food security, traceability and food quality, which help achieve sustainable development goals.

This review study provides 13 research questions to underpin future trends regarding integrated technologies' application in agriculture supply chains for circular and sustainable growth.