Ali, Hassan R. Determination of chemical composition of cave water : a case stud y of Zanzibar Island, Tanzania / Ali Hassan R. - Kampala, 2009 - xv, 73p. : ill., col., maps , 30 cm Unpublished thesis (M.Sc., Chem.) - Makerere University, 2009 Includes bibliographical references (p.67-71) Subjects--Topical Terms: Water chemistryNutrient pollution of water Dewey Class. No.: 546.22