Elkhalil , Elhadi A. I., and Fatima Y. Gaffar. “Production and Characterization of Cellulase Enzyme Produced by Bacillus Isolates from Different Sources”. University of Khartoum Journal of Agricultural Sciences 21, no. 1 (March 28, 2023). Accessed April 4, 2025. http://onlinejournals.uofk.edu/index.php/uofkjas/article/view/1866.