“Optimization of Extracellular Cellulase Production from a Locally Isolated Bacillus subtilis Strain Using Response Surface Methodology”, q.j.b.t, vol. 1, no. 1, Aug. 2026, Accessed: Sep. 12, 2026. [Online]. Available: https://qjbt.qu.edu.iq/index.php/qjbt/article/view/3