Ibrahim, N., نجوى, صالح Al-Rubyee س. and 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), pp. 111–122. doi: 10.33899/edusj.2022.132296.1203.