Ahmed Hadi Abdel Saheb Almosa. “Characterization of Natural Compounds Produced by Bacillus Subtilis Using GC-MS and Investigation of Its Antimicrobial Activity”. Current Clinical and Medical Education, vol. 2, no. 07, July 2024, pp. 20-28, https://www.visionpublisher.info/index.php/ccme/article/view/119.