Oyeagu U, Ughamba KT, Ekwem OH, Ugwu FSO, Ezeh CC. Penicillium citrinum: A Promising Candidate for Protease Production: ttp://www.doi.org/10.26538/tjnpr/v7i9.37. TJNPR. 2023;7(9):4092-4098. Accessed February 2, 2025. https://tjnpr.org/index.php/home/article/view/2673