1. Achtenhagen, F., & Grubb, W. N. (2001). Vocational and occupational education: Pedagogical complexity, institutional diversity. In V. Richardson (Ed.), Handbook of research on teaching (4th ed.) (pp. 604–639). Washington, D.C.: American Educational Research Association.
2. Adams, A. V., Sara J. S., & Setareh, R. (2013). Improving skills development in the informal sector: Strategies for Sub-Saharan Africa. Washington, D.C.: World Bank.
3. Beech, J. (2006). The theme of educational transfer in comparative education: A view over time. Research in Comparative and International Education, 1(1), pp. 2–13.
4. Bennell, P. (2007, February). Promoting livelihood opportunities for rural youth. Paper prepared for IFAD’s 30th Governing Council, Rome. Retrieved from Semantic Scholar website:
https://pdfs.semanticscholar.org/2842/3e9e1ef81c9f3cc3076b8ab2f6c6f3454061.pdf
. Accessed: 25 November 2019.
5. Biemans, H., Nieuwenhuis, L., Poell, R., Wesselink, R., & Mulder, M. (2004). Competence-based VET in the Netherlands: Background and pitfalls. Journal of Vocational Education and Training, 56(4), pp. 523–538.