Andargie, G., Kassu, A., Moges, F., Tiruneh, M., & Huruy, K. (2009). Prevalence of Bacteria and Intestinal Parasites among Food-handlers in Gondar Town, Northwest Ethiopia. Journal of Health, Population and Nutrition, 26(4), 451–455. https://doi.org/10.3329/jhpn.v26i4.1887