Ferber, Robert <br/><br/>
What is a survey? / 
by Robert Ferber ...[et al.]. 
 - Washington D.C. :   American Statistical Association,   1980 
 - 25 p.  :   ill. ;   21 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Surveys
<br/><br/><label>Dewey Class. No.: </label>001.433