1. Abban, C. B. (2003). A comparative study on the economics of formal and informal irrigated urban vegetable production in the Greater Accra Region. Unpublished M. Phil. thesis, Dept of Agr. Economics and Agribusiness, University of Ghana, Legon. 114pp.
2. Abdulai, A.D.A.M.S. (2006). Resource use efficiency in vegetable production: The case of smallholder farmers in Kumasi metropolis (Doctoral dissertation, Kwame Nkrumah University of Science and Technology).
3. Abdulai, J., Nimoh, F., Darko-Koomson, S., & Kassoh, K. F. S. (2017). Performance of vegetable production and marketing in peri-urban Kumasi, Ghana. Journal of Agricultural Science, 9(3), 202.
4. Adegey, A.J. and Dittoh, J.S. (1982). Essentials of agricultural economics impact publishers. Nig. Ltd Ibadan, Nigeria, pp.147–148.
5. Amerasinghe, P.; Cofie, O.O.; Labri, T.O.; Drechsel, P. (2013). Facilitating outcomes: multi-stakeholder processes for influencing policy change on urban agriculture in selected West African and South Asian cities. Colombo, Sri Lanka: International Water Management Institute (IWMI). 34p. (IWMI Research Report 153).