Ako, Rose Mwaipopo <br/><br/>
OEC 105:  social science research methods I 
Rose Mwaipopo Ako, Abu A. K. Mvungi and Anku J. Sanga 
 - Dar es salaam  The open university of Tanzania  1999 
 - iv, 153p.  ill.  30cm. 
<br/><br/> includes bibliographical reference 
<br/><br/><label>ISBN: </label>9987000789 
<br/><br/><label>Dewey Class. No.: </label>300.072