Sa’idu, H., H. I. Ahmad, S. A. Olanrewaju, and A. B. Mahmoud. “Antibacterial Effect of Bitter Leave (Vernonia Amygdalina) on Klebsiella Pneumoniae”. Journal of Biochemistry, Microbiology and Biotechnology, vol. 8, no. 2, Dec. 2020, pp. 16-20, doi:10.54987/jobimb.v8i2.538.