Ahmad, M., et al. “Antibacterial Activity of Vernonia Amygdalina (Bitter Leaf) Extracts Against Clinical Isolates of Salmonella Species”. UMYU Journal of Microbiology Research (UJMR), vol. 9, no. 3, June 2024, pp. 308-14, https://doi.org/10.47430/ujmr.2493.037.