Al-Mekhlafi, N. A., K. G. Badi, R. A. Al-Refai, and S. M. Al-bana’a. “Antimicrobial Antimicrobial Activity of Bacillus Species Isolated from Yemeni Soils Against Some Human Pathogens”. Sana’a University Journal of Applied Sciences and Technology, vol. 4, no. 1, Jan. 2026, pp. 1520-7, doi:10.59628/jast.v4i1.2137.