Khalid Bhatti, M. Hanif Noomrio, M. Umar Dahot, and M. Uris Siyal. 2004. “BIOSYNTHESIS OF -GLOCOSIDASE PENICILLIUM EXPANSUM”. Pakistan Journal of Biotechnology 1 (1):31-33. https://pjbt.org/index.php/pjbt/article/view/137.