Casley, D.J. <br/><br/>
Data collection in developing countries /    
D.J. Casley. 
 - New York :   Oxford  University Press,   1981. 
<br/><br/><label>ISBN: </label>0198771231 019877124x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data collection systems ----Developing countries.----
<br/><br/><label>Dewey Class. No.: </label>MISR 309.0723 CAS