Khalil, Dr. Kashif Ur Rehman, Adnan Sarwar, Muhammad Hamayun, Wajiha Naeem, and Mansoor Ahmad. 2017. “BACTERIOLOGICAL QUALITY OF DRINKING WATER IN SCHOOLS OF PESHAWAR, KHYBER PAKHTUNKHWA”. Journal of Medical Sciences 25 (4):433-36. https://jmedsci.com/Jmedsci/article/view/13.