Okeke, A. P. (2019). Profit efficiency of sweet potato production in Kwara State, Nigeria. Obafemi Awolowo University.
Citazione stile Chigago Style (17a edizione)Okeke, Amaka Patience. Profit Efficiency of Sweet Potato Production in Kwara State, Nigeria. Obafemi Awolowo University, 2019.
Citatione MLA (9a ed.)Okeke, Amaka Patience. Profit Efficiency of Sweet Potato Production in Kwara State, Nigeria. Obafemi Awolowo University, 2019.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.