Okeke, A. P. (2019). Profit efficiency of sweet potato production in Kwara State, Nigeria. Obafemi Awolowo University.
Chicagoスタイル(17版)引用形式Okeke, Amaka Patience. Profit Efficiency of Sweet Potato Production in Kwara State, Nigeria. Obafemi Awolowo University, 2019.
MLA(9版)引用形式Okeke, Amaka Patience. Profit Efficiency of Sweet Potato Production in Kwara State, Nigeria. Obafemi Awolowo University, 2019.
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