Qureshi,Huma Comparative Survey Of Chemical, Physical And Microbial Evaluation Of Commercial Bottled Mineral Water, Package Filtration Plant,Well Water And Tap Water Huma Quershi - Islamabad IESE(SCEE) NUST 2009. - 106 p. HB. - MS Environmental Science . Theses MS ES Subjects--Topical Terms: Environmental Science LC Class. No.: 363.7 QUR Dewey Class. No.: 363.7 QUR