Yunas, M., S. Ahmad, B. Ahmad, O. ur Rehman, and S. Afzal. “Assessment of Irrigation Water Quality in District Attock, Pakistan: Assessment of Irrigation Water Quality”. Biological Sciences - PJSIR, vol. 58, no. 1, Apr. 2015, pp. 47-53, doi:10.52763/PJSIR.BIOL.SCI.58.1.2015.47.53.