Fozia parveen Investigation of Sludge Characteristics And bacterial Diversity Of Membrane Bioreactor Systems Fozia parveen - Islamabad IESE (SCEE) NUST 2012. - 90 p. HB. - MS Environmental Science . Thesis MS ES Subjects--Topical Terms: Environmental Science LC Class. No.: 363.7 PAR Dewey Class. No.: 363.7 PAR