Determinants and Profitability of Cowpea Production in Safana Local Government Area, Katsina State, Nigeria. Sahel Journal of Life Sciences FUDMA, [S. l.], v. 2, n. 1, p. 241–245, 2024. DOI: 10.33003/sajols-2024-0201-029. Disponível em: https://saheljls.fudutsinma.edu.ng/index.php/saheljls/article/view/114. Acesso em: 23 feb. 2026.