“Influence Of Different Coumarin Derivatives On Mycological Production Of Citric Acid By Aspergillus Niger Mutagens” (2022) International Journal of Food and Nutritional Sciences, 11(Special Issue 3), pp. 1592–1599. Available at: https://www.ijfans.org/index.php/Journal/article/view/9097 (Accessed: 8 September 2026).