Kerfua, Susan D. Comparison of the efficiency of conventional waste water treatment s ystem with waste water stabilisation pond system in reduction of select ed pollutants / Susan D. Kerfua. - Kampala , 2005. - ix, 46 p. : ill. ; 30 cm. Dissertation (B. Biom. Lab. Tech.) - Makerere University, 2005. Includes bibliographical references : p. 38 - 40. Subjects--Topical Terms: Sewage lagoons. Dewey Class. No.: U 363.728096761 KER