Omari, I. M. Concept and techniques in Educational Assessments and Evaluation Issa Mcholo Omari - Dar es Salaam: Oxford university, 2011. - xiii, 220 p. : vol 1. ill. ; 24 cm. includes bibliography and index ISBN: 9789976404302 Subjects--Topical Terms: Education assesment LC Class. No.: DUCE LB2331.M32