Casley, D J Lury, D A <br/><br/>
Data collection in developing countries 

 - Clarendon Press Oxford, New York  1981 
 - xii, 244 
<br/><br/><label>ISBN: </label>0-19-877124-X 
<br/><br/><label>Dewey Class. No.: </label>311.22 Cas/Lur