Ajuoga, Milcan Aoko Impact of instructional materials on academic performance of selecte d primary schools in Kisumu District / Ajuoga M. A. - 2000. - xi, 68p. : ill. ; 30 cm. Unpublished thesis (M.Ed. ) - Makerere University, 2002. Includes bibliographical references (p.36-37) Subjects--Topical Terms: Teaching--Aids and devices.