Casley, D.J. <br/><br/>
Data collection in developing countries 
by D.J. Casley and D.A. Lury 
 - 2nd ed. 
 - Oxford  Clarendon  1987 
 - 245p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Developing countries --Statistical services<br/>Sampling (Statistics)
<br/><br/><label>Dewey Class. No.: </label>I5513 C269/87