Ahmed F. El-Sayed, Nivien A. Abo-Sereih, Tahany M. El-Kawokgy, Abeer E. Mahmoud, and Abbas A. El-Ghamery. “Isolation, Screening and Optimization of β-Glucosidase Producing Bacillus Sp. Isolated from Egyptian Environment and Optimization of β-Glucosidase Producing Bacillus Sp. Isolated from Egyptian Environment”. Journal of Innovations in Pharmaceutical and Biological Sciences, vol. 6, no. 4, Oct. 2019, pp. 70-78, https://jipbs.com/index.php/journal/article/view/381.