Production of Proteolytic Enzyme from Catfish Waste Using Bacillus subtilis, Proteus vulgaris, and Arthrobacter aurescens. Fountain Journal of Natural and Applied Sciences, [S. l.], v. 6, n. 2, 2017. DOI: 10.53704/fujnas.v6i2.152. Disponível em: http://www.fountainjournals.com/index.php/FUJNAS/article/view/152. Acesso em: 2 apr. 2026.