Jatoi, A. R., A. Q. Jakhrani, K. C. Mukwana, A. N. Laghari, and M. M. Tunio. “Study of Physicochemical Properties of Commercial Drinking Bottled Water Brands”. Engineering, Technology & Applied Science Research, vol. 8, no. 6, Dec. 2018, pp. 3576-9, doi:10.48084/etasr.2173.