Antimicrobial activity of Bacillus species isolated from Yemeni soils against some human pathogens. jast [انترنت]. 29 يناير، 2026 [وثق 19 يونيو، 2026];4(1):1520-7. موجود في: https://journals.su.edu.ye/index.php/jast/article/view/2137