Raj, Des : Chandhok, Pramod <br/><br/>
Sample survey theory 
/ by Des Raj 
 - New Delhi:  Narosa Publishing House,  1998. 
 - xv, 346p. 
<br/><br/><label>ISBN: </label>8173191360 
<br/><br/><label>Dewey Class. No.: </label>519.52  / RAJ/S