citation
Smale, Melinda; Moursi, Mourad; Birol, Ekin, 'Maize hybrids, diversity of diets and sources of vitamin A among smallholder farmers in Zambia', Invited paper presented at the 4th International Conference of the African Association of Agricultural Economists (AAEA), September 22-25, 2013, Hammamet, Tunisia, African Association of Agricultural Economists (AAAE), Nairobi, Kenya, 2013