Amal A. Almousa, El-Ghany, M. N. A. and Eman H. Ashour (2018) “Citric Acid Fermentation by Aspergillus niger”, Journal of Innovations in Pharmaceutical and Biological Sciences, 5(4), pp. 20–37. Available at: https://jipbs.com/index.php/journal/article/view/337 (Accessed: 19 April 2024).