Critical process parameters optimization for hyperthermostable β amylase production by Bacillus subtilis DJ5 using response surface methodology - doi: 10.4025/actascibiolsci.v36i1.17427. Acta Scientiarum. Biological Sciences, [S. l.], v. 36, n. 1, p. 87–93, 2013. DOI: 10.4025/actascibiolsci.v36i1.17427. Disponível em: https://periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/17427. Acesso em: 29 maio. 2026.