Casley, D. J. <br/><br/>
Data collection in developing countries / 
D. J. Gasley & D. A.Lury 
 - London ,  Glarendon Press :  1981 
 - xi, 244p. :  ill. ;  25 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0198771231 019877124x pbk 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data collecting<br/>Statistics
<br/><br/><label>Dewey Class. No.: </label>311.22  / CAS