Belay Tefera. <br/><br/>
Research methods / 
by Belay Tefera and Abdinasir Ahmed. 
 - Addis Ababa:. :  Mega printing press,  c2015. 
 - xiv,398 p ;  26 cm. 
<br/><br/><label>ISBN: </label> 170.00 Birr, 325.00 Birr & 325.00 Birr 
<br/><br/><label>Dewey Class. No.: </label>001.42 Bel 2015