OMARI, Issa Mcholo <br/><br/>
Concepts and Methods in Educational Research: A Practical Guide Based on Experience 

 - Dar es Salaam  Oxford University Press (T) Ltd.  2011 
 - xi,157p.,ill.:23.8cm. 
<br/><br/> Includes Index 
<br/><br/><label>ISBN: </label>978-9976-404-33-3