Nkere, C. K., Ibe, N. I., & Iroegbu, C. U. (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), 560–566. https://doi.org/10.3329/jhpn.v29i6.9892