Addo, K., G. Mensah, M. Bekoe, C. Bonsu, and M. Akyeh. “Bacteriological Quality of Sachet Water Produced and Sold in Teshie-Nungua Suburbs of Accra, Ghana”. African Journal of Food, Agriculture, Nutrition and Development, vol. 9, no. 4, July 2009, doi:10.4314/ajfand.v9i4.43874.