“Plant Waste Hydrolysis by Extracellular Enzymes of Aspergillus Niger and Penicillium Chrysogenum: Effect of Ammonia Pretreatment”. Nigerian Journal of Biochemistry and Molecular Biology 23, no. 1 (March 21, 2022): 1–7. Accessed October 17, 2025. https://www.nsbmb.org.ng/journals/index.php/njbmb/article/view/90.