NWANERI, ThankGod Chimaobi; KADURUMBA, Chukwuemeka. Assessment of allocative efficiency of resources for yam production in Afikpo North, Nigeria . Agriculture, Food, and Natural Resources Journal, Awka, Nigeria, v. 5, n. 2, p. 16–20, 2026. DOI: 10.5281/zenodo.22976575. Disponível em: https://journals.unizik.edu.ng/afnrj/article/view/9010. Acesso em: 2 oct. 2026.