Omari,I.M. Motivation, instruction, learning and human performance: a practical guide for teachers on how to improve student' performance/ Issa Mcholo Omari - Dar es salaam: Delah education, 2011. - ix,132 p.: ill.; 21 cm includes bibliographic reference ISBN: 9789987415304 Subjects--Topical Terms: teaching and learning LC Class. No.: LB2331.M32