Linga, Richard Ronny. Assessment of farmers knowledge on the role of trees for soil erosio n control : case study of Kaserem sub county, Kapchorwa district / by Linga Richard Ronny. - 2007. - xi, 42 p. : ill. , maps ; 30 cm. Unpublished dissertation (Makerere University, 2007. Includes bibliographical references (p. 40-41) Subjects--Topical Terms: Soil erosionSoil conservation-- Africa