Nawas, T., R. Mazumdar, S. Das, M. Nipa, S. Islam, H. Bhuiyan, and I. Ahmad. “Microbiological Quality and Antibiogram of E. Coli, Salmonella and Vibrio of Salad and Water from Restaurants of Chittagong”. Journal of Environmental Science and Natural Resources, vol. 5, no. 1, Aug. 2012, pp. 159-66, doi:10.3329/jesnr.v5i1.11571.