Imran, Muhammad, Sheeza Bano, Sadia Nazir, Arshad Javid, Muhammad Javaid Asad, and Amara Yaseen. 2019. “Cellulases Production and Application of Cellulases and Accessory Enzymes in Pulp and Paper Industry: A Review”. PSM Biological Research 4 (1), 29-39. https://journals.psmpublishers.org/index.php/biolres/article/view/243.