MANISH KUMAR. OXALIC ACID PRODUCTION BY ASPERGILLUS NIGER. International Journal of Pharma and Bio Sciences, [S. l.], v. 4, n. 1, p. 828–824, 2013. Disponível em: https://ijpbs.net/index.php/journal/article/view/2097. Acesso em: 23 jul. 2026.