Singh, M. P. <br/><br/>
Comparison of some ratio cum product estimators   

 - Calcutta  Indian Statistical Institute  1968 
 - 10p. 
 - NSS technical paper no. 24/68/10 .
<br/><br/>  
<br/><br/><label>Dewey Class. No.: </label>SA.6  / Si617.CS