Ghaffar,Sajeela Trace Organics Determination In Potable Water By Gas Chromatography Sajeela Ghaffar - Islamabad IESE (SCEE) NUST 2009. - 85 p. HB. - MS Environmental Engineering . Thesis MS EE Subjects--Topical Terms: Environmental Engineering LC Class. No.: 628 GHA Dewey Class. No.: 628 GHA