Casley, D.J. <br/><br/>
Data Collection in Developing Countries. 

 - 2nd ed 
 - Oxford  English Language Book Society  / Clarendo1989 
 - xii, 225p. 
<br/><br/><label>ISBN: </label>194424251 
<br/><br/><label>Dewey Class. No.: </label>330.015195