Zahir Ud Din Khan Optimization Of The Coagulation Process At The Scituate Water Treatment Plant Zahir Ud Din Khan - 80 Washington St, Providence,USA University of Rhode Islanad, 1988. - 159 p. HB. - MS Environmental Engineering . Thesis MS EE Subjects--Topical Terms: Environmental Engineering LC Class. No.: 628 KHA Dewey Class. No.: 628 KHA