A. A. Bacha, M. I. Durrani, and P. I. Paracha, “Physical and Bacteriological Characteristics of Drinking Water of Peshawar”, Pak. J. Nutr., vol. 9, no. 10, pp. 1028–1033, Sep. 2010, doi: 10.3923/pjn.2010.1028.1033.