Ghaly, Mohamed F., et al. “Purification and Characterization of Phytase Enzyme Extracted from Aspergillus Niger SF58 and Its Application in Cereal Dephytinization: doi.org 10.26538 Tjnpr V5i2.9”. Tropical Journal of Natural Product Research (TJNPR), vol. 5, no. 2, Feb. 2021, pp. 265-71, https://tjnpr.org/index.php/home/article/view/756.