Ogwang, Patrick Factors affecting environmental sanitation : a case study on safe water chain and excreta disposal in Ojwiina Division, Lira Municipali ty / Patrick Ogwang - 2005 - xii, 50 p. : ill., col., maps ; 30 cm. Dissertation (B.A. Env.Mgt.) - Makerere University, 2007 Includes bibliographical references (p. 44 ) Subjects--Topical Terms: Sanitation-- Africa