Lugojja, Frederic Aspects of the biology of the sweetpotato butterfly (ACRAEA ACERATA) and impact of its defoliation on sweetpotato / by Frederick Lugojja . - Kampala : Makerere University, 1996. - xvii, 100 p. : ill. ; 30 cm. Thesis (M.Sc., Agric) - Makerere University, 1996. Includes bibliographical references (p.88-96) Subjects--Topical Terms: Sweet potatoes -- Diseases and pests. Dewey Class. No.: 635.229