Riaz,Muhammad Sajid Design and Performance Evaluation Of Horizontal Flow Roughing Filter For High Turbidity Water Muhammad Sajid Riaz - Islamabad IESE (SCEE) NUST 2011. - 125 p. HB. - MS Environmental Engineering . Thesis MS EE Subjects--Topical Terms: Environmental Engineering LC Class. No.: 628 RIA Dewey Class. No.: 628 RIA