Nkere, Chukwuemeka K, Nnenne I Ibe, and Christian U Iroegbu. 2012. “Bacteriological Quality of Foods and Water Sold by Vendors and in Restaurants in Nsukka, Enugu State, Nigeria: A Comparative Study of Three Microbiological Methods”. Journal of Health, Population and Nutrition 29 (6):560-66. https://doi.org/10.3329/jhpn.v29i6.9892.