DR. IGWE. A Linear Programming Approach to Combination of Crop, Monogastric Farm Animal and Fish Enterprises in Ohafia Agricultural Zone, Abia State, Nigeria. Global Journal of Science Frontier Research, [S. l.], v. 13, n. D3, p. 23–32, 2013. Disponível em: https://journalofscience.org/index.php/GJSFR/article/view/759. Acesso em: 5 may. 2024.