Arish Naseem Potential Organophosphate Degrading Bacteria And Their Genetic Variability Arish Naseem - Islamabad IESE (SCEE) NUST 2015. - 75 p. HB. - MS Environmental Science . Thesis MS ES Subjects--Topical Terms: Environmental Science LC Class. No.: 363.7 NAS Dewey Class. No.: 363.7 NAS