Omari, I.M. Concepts and techniques in educational assessments and evaluation/ Issa Mcholo Omari - Dar es Salaam: Oxford University, 2011. - xiii, 220 p. : Vol 1. ill. ; 25 cm. includes Bibliographic reference and index. ISBN: 9789976404302 Subjects--Topical Terms: Educational assessments LC Class. No.: DUCE LB2331.M32