ASHLEY, D.; SAMUEL SEGUN, S. Technical efficiency of catfish production in Oyo State, Nigeria. A case of freshwater culture systems using Data Envelopment Analysis (DEA) approach. Nigerian Journal of Animal Science, [S. l.], v. 24, n. 1, p. 108–116, 2023. Disponível em: https://www.njas.org.ng/index.php/php/article/view/577. Acesso em: 30 may. 2026.