With the development of technology and the introduction of network-based language learning, the face of CALL has changed enormously. Some researchers claim there has been a paradigm shift in how languages are taught and learned. Students are now in a position to communicate with each other and to work collaboratively using authentic materials in multimodal and multi-dimensional networks. These ...

today, due to the direct and reverse logistics plays an important role in reducing the costs in supply chain. in this paper, in order to provide a closed-loop supply chain network including supply centers, production, distribution, collection, recycling and disposal of a used linear mixed integer programming. this paper to consider multi-period and multi-product in multi-level supply chain and ...

Purpose There is evidence of country-level contextual variations regarding the benefits practical experience acquired by students during higher education. This paper, therefore, analyses student internships in Ghanaian context. Design/methodology/approach In Study 1, two structured but distinct surveys were distributed to senior members and six specialised technical education institutions (TIs)...