The Profitability of Fish Production by Co-Operative Society Members in Rivers State, Nigeria. Global Journal of Management and Business Research, [S. l.], v. 20, n. B10, p. 41–127, 2020. Disponível em: https://testing.journalofbusiness.org/index.php/GJMBR/article/view/3248. Acesso em: 4 feb. 2026.