1. Dehydration of food crops using a solar dryer with convective heat flow;Ayensu;Solar Energy,1997
2. Bala, B.K., 1983. Deep bed drying of malt. PhD Thesis, University of Newcastle Upon Tyne, England.
3. Bassey, M.W., Whitfield, M.J.C.C., Koroma, E.Y., 1986. Problems and solution for natural-convection solar crop dying. In: Bassey, M.W., Schmidt, O.G. (Eds.), Proceedings of a Workshop on Solar Drying in Africa. Senegal, Dakar, pp. 207–232.
4. Natural convection solar dryer with biomass back-up heater;Bena;Solar Energy,2002
5. Solar Dryers- their role in post-harvest processing;Brenndorfer,1987