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The purpose of this study is to evaluate an in-service training (INSET) programme for improving the quality of English language teaching in Zanzibar’s secondary schools. Specifically, there were two objectives: i) to explore the teachers’ views on the zanzibar improvement students prospect (ZISP) training programme in improving the English language teaching techniques in secondary schools in Zanzibar and ii) to find out the organisational support provided to teachers when they are using the skills and knowledge acquired from the ZISP teaching programme.

The study used a qualitative research approach, particularly the case-study design. It used interviews to collect qualitative data that was analysed thematically. Twelve English language teachers from seven secondary schools who had benefited from the ZISP teaching programme and five headmasters from five schools participated in the study as respondents.

The study found that the ZISP training programme equipped teachers with pedagogical skills useful for preparing lessons and materials, using technology in teaching and providing timely feedback to students. In terms of support, teachers receive materials and motivation from various organisations.

This study focused on ordinary teachers and headmasters. Nevertheless, other studies could use classroom observation, focus group discussion, document review or survey questionnaire to evaluate the impact of the programme and look at how the skills obtained are used in the teaching and learning of the English language. In addition, this study involved 12 participants who were teachers and headmasters, respectively. Other studies could include students, their families, employers and non-teaching staff. This would provide a holistic view of how the stakeholders perceive the INSET programme.

The study contributes to the body of knowledge regarding the benefits and organisational support teachers receive after participating in the INSET training programme in Zanzibar. Thus, teachers need regular exposure to INSET so that they improve the quality of their teaching.

The paper aims to further understanding of connectivity from the perspective of blockchain technology (BT) in the supply chain (SC). It presents the weaknesses (inhibitors) of connectivity during technology implementation, focusing on supply chain interaction and resilience.

Restricting the focus to digital connectivity, interaction and supply chain resilience, this paper uses a systematic literature review (SLR) to examine how the literature has addressed, related or flagged connectivity weaknesses affecting supply chain interaction and resilience.

This study highlights the influence of connectivity for blockchain-technology projects. Technical and organisational influencers that affect the adoption of technology in the SC are presented. These influencers support the factors proposed in this study regarding the weaknesses that negatively affect the interaction between the agents involved and the SC's resilience. The research suggests that the weaknesses are related to technical needs and the relationships between companies arising from functionalities.

This paper is restricted to a review of the theory and the researched material. Although the author was careful to choose the best search terms related to the research objective, some potentially relevant articles may have been excluded.

The study summarises research on blockchain connectivity influencers in the SC, helping managers to anticipate and mitigate some of doubts and concerns in projects of this nature.

This is one of the first articles in the area of operations and SCs that addresses the topic of connectivity, focusing on its restrictive factors (connectivity inhibitors), in the context of blockchain implementation in the SC.