B. Sreedevi, et al. “Purification and Characterization of Carboxymethyl Cellulase By A Catabolite Repression Resistant Mutant Strain of Pseudomonas Sp. (Psccrrnt9)”. International Journal of Pharma and Bio Sciences, vol. 13, no. 1, Mar. 2022, pp. 52-59, https://ijpbs.net/index.php/journal/article/view/6968.