Faruqi,Rahimuddin Ahmad Evaluation Of Roughing Filter As A Pretreatment System For The Water Treatment Plant In Chakwal Rahimuddin Ahmad Faruqi - Rawalpindi IESE(SCEE) NUST 2009. - 121 p. HB. - MS Environmental Engineering . Theses MS EE Subjects--Topical Terms: Environmental Engineering LC Class. No.: 628 FAR Dewey Class. No.: 628 FAR