Haq,Muhammad Rizwan Ul Water Saving Through Design Improvement in Toilet Cistern Muhammad Rizwan Ul Haq - Rawalpindi IESE (SCEE) NUST 2005. - 82 p. HB. - MS Environmental Engineering . Thesis MS EE Subjects--Topical Terms: Environmental Engineering LC Class. No.: 628 HAQ Dewey Class. No.: 628 HAQ