“?STUDIES ON THE ISOLATION AND SCREENING OF INDIGENOUS CITRIC ACID PRODUCING STRAINS”, Pakistan Journal of Scientific & Industrial Research, vol. 44, no. 3, pp. 175–177, Jun. 2001, Accessed: Mar. 10, 2026. [Online]. Available: https://www.v2.pjsir.org/index.php/biological-sciences/article/view/1910