Casley, D. J. <br/><br/>
Data collection in developing countries  [Books]. 
D. J. Casley and D. A. Lury. 
 - 2nd ed. 
 - Oxford  Oxford University Press  c1987 
 - 225p. :  ill. ;  24cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0194424251  0.00 
<br/><br/><label>Subjects--Personal Names: </label><br/>Developing countries -- Statistical services.<br/>Sampling (Statistics)