Khan, MSI, MR Begum, MR Haque, MA Asgar, MS Islam, and ASMG Kibria. 2015. “Study on Contamination of Roadside Food by E. Coli and Salmonella in Chittagong City Area”. Journal of Environmental Science and Natural Resources 6 (1):11-14. https://doi.org/10.3329/jesnr.v6i1.22033.