Ihtesham ul Haq Comparative efficiency of two and three chambered incinerators for hospital waste management Ihtesham ul Haq - Islamabad IESE (SCEE) NUST 2019 - 83p. H.B - MS Environmental Science . Thesis MS ES Subjects--Topical Terms: Environmental Science LC Class. No.: 363.7 HAQ Dewey Class. No.: 363.7 HAQ