Salihu, M. I., Habeeb, M. M., & Ado, S. H. (2024). Assessment of Combined Effects of Selenium and Cadmium on Antioxidant Activity of Enzymes Produced by Citrobacter freundii. UMYU Journal of Microbiology Research (UJMR), 9(3), 162–172. https://doi.org/10.47430/ujmr.2493.019