Muhammad Qasim Temporal Record Of Methane Concentration Over Pakistan By Using Satellite Observations Muhammad Qasim - Islamabad IESE (SCEE) NUST 2014. - 73 p. HB. - MS Environmental Science . Thesis MS ES Subjects--Topical Terms: Environmental Science LC Class. No.: 363.7 QAS Dewey Class. No.: 363.7 QAS