Moser, Claus. <br/><br/>
Survey methods in social investigations / 
by Claus Moser and G. Kelton. 
 - 2nd ed. 
 -  Heinemann Educational Books  1971. 
<br/><br/>1127 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social surveys.
<br/><br/><label>LC Class. No.: </label>HN29  / Mos.