Hoque, M.M., Rattila, S., Shishir, M.A., Bari, M.L., Inatsu, Y. and Kawamoto, S. 2012. Antibacterial Activity of Ethanol Extract of Betel Leaf (Piper betle L.) Against Some Food Borne Pathogens. Bangladesh Journal of Microbiology. 28, 2 (Sep. 2012), 58–63. DOI:https://doi.org/10.3329/bjm.v28i2.11817.