Temperature and pH Influence on Citric Acid Production from Orange Peels Using Aspergillus niger. Optimality, [S. l.], v. 1, n. 1, p. 164–180, 2024. DOI: 10.22105/opt.v1i1. Disponível em: https://opt.reapress.com/journal/article/view/54.. Acesso em: 23 nov. 2024.