Ali, Sikander, Ikram ul-Haq, M.A. Qadeer, and Javed Iqbal. 2002. “Production of Citric Acid by Aspergillus Niger Using Cane Molasses in a Stirred Fermentor”. Electronic Journal of Biotechnology 5 (3). Valparaíso, Chile:0-0. https://www.ejbiotechnology.info/index.php/ejbiotechnology/article/view/v5n3-3.