Sempa, Henry Design and construction of improved manual grass chopping machine / Henry Sempa. - Kampala : Makerere University, 1998. - vii, 60 p. : ill. ; 29 cm. Unpublished dissertation (B.Sc. Agric. Eng.) - Makerere University, 1998. Includes bibliographical references ( p.57) Subjects--Topical Terms: Forage plants --Harvesting -- Machinery -- Design and construction --Machinery --Design and construction --Machinery --Design and construction --Machinery --Design and construction --Uganda----