Mohammed Bashir, Sulaiman Mustapha, and Umar A. Tawfiq. 2017. “Microbiological Quality Evaluation of Typhoid and Diarrheal Herbal Formulations Sold in Yola and Environs”. UMYU Journal of Microbiology Research (UJMR) 2 (2):94-98. https://doi.org/10.47430/ujmr.1722.014.