QASEM, M.; محمد; AL-HAMADANI, enam; انعام. Citric acid production by different local isolates of mushrooms Aspergillus niger. Journal of Education and Science (JES), [S. l.], v. 20, n. 1, p. 402–409, 2007. DOI: 10.33899/edusj.2007.162820. Disponível em: https://rjps.uomosul.edu.iq/index.php/edusj/article/view/17778. Acesso em: 4 aug. 2025.