Okwuenu, PC, AL Ezugwu, and FC Chilaka. “Production and Optimization of Aspergillus Niger Glucoamylase Using Amylopectin from Guinea Corn Starch As the Sole Carbon Source”. Bangladesh Journal of Scientific and Industrial Research 52, no. 4 (December 6, 2017): 263–272. Accessed February 21, 2024. https://www.banglajol.info/index.php/BJSIR/article/view/34767.