O. M., Abonama, Hoda Mahrous, El baz A. F., and Hamza H. A. “Citric Acid Optimization by Candida Tropicalis under Submerged Fermentation Conditions Using a Plackett-Burman Design”. Journal of Life Sciences Research 1, no. 3 (September 15, 2014): 70–75. Accessed November 22, 2024. https://asianonlinejournals.com/index.php/Lifsc/article/view/607.