Ahmed Khan, Waqas MONITORING AND COMPARING THE FORMALDEHYDE CONCENTRATION OVER ISLAMABAD AND PIR SOHAWA VALLEY BY EXPLOITING MAX-DOAS SATELLITE OBSERVATIONS / Waqas Ahmed Khan. - Islamabad. IESE - NUST, 2016. - x, 50 p. ill. ; 30cm. ISBN: Subjects--Topical Terms: Sciences in Environmental Science - MS Thesis. Dewey Class. No.: 628.05