Reforming science and mathematics education in sub-sahaan Africa : Obstacles and opportunities / edited by Kalafunja O-saki , Ken Hosea and Wout Ottevanger. - Dar es salaam : University of Dar es salaam , c2004. - vi , 229 p . : ill ; 24 cm. eng. ISBN: NA TZS 12,000/= Subjects--Topical Terms: CurriculumScience and mathematicseducation Dewey Class. No.: 507.8967 FEF