Ibrahim, N., نجوى, صالح Al-Rubyee س., & سارة. (2022). Antibacterial effect of Bacillus subtilis extract on the growth of pathogenic bacteria and analyzed by GC-MS. Journal of Education and Science (JES), 31(1), 111–122. https://doi.org/10.33899/edusj.2022.132296.1203