N. . Oraz and Z. Hamidy, “Optimization of Culture Conditions for a New Mutant Penicillium EZ-ZH390 to Increase Tannase Activity in Submerged Fermentation: Increase tannase activity in submerged culture by   Penicillium”, BiotechIntellect, vol. 3, no. 1, pp. e14 (1– 17), May 2026, doi: 10.66224/BiotechIntellect.3.1.49.