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

 - 2nd 
 -  Oxford University press.. Oxf  ord        1991 
 - xii,226p;i 
<br/><br/><label>ISBN: </label>198772831 
<br/><br/><label>Dewey Class. No.: </label>300.723