Pearson, R. W. ; Boruch, R. F. <br/><br/>
Lectures notes in Statistics Survey Research Designs :  (Towards a better understanding of their costs and benefits - 38 ) 
/ edited by R. W.  Pearson et.al 
 - London:  Springer,  1980. 
 - 129p. 
<br/><br/><label>ISBN: </label>3540964282 
<br/><br/><label>Dewey Class. No.: </label>519.5  / PEA/L