Bashir, A., Ado, A., Alli, A. I. Determination of Antibacterial Activity of Psidium guajava Leaf Extract against Bacteria Isolated from Mobile Phones of Umaru Musa Yar’adua University, Katsina Community. UJMR [Internet]. 2021 Jun. 30 [cited 2024 Jul. 16];6(1):219-26. Available from: https://ujmr.umyu.edu.ng/index.php/ujmr/article/view/126