OMARI. I. M <br/><br/>
Concepts and Methods in Educational Research. 

 - DAR ES SALAAM,  Omari. I. M,  2011. 
 - xi, 157p.; ill, figure, table & picture  Index  23.8cm 
<br/><br/><label>ISBN: </label>978-9976-4-0433-3 
<br/><br/><label>Dewey Class. No.: </label>370.72OMA