Sehgal, R.L. <br/><br/>
Applied statistics for library science research 
R. L. Sehgal 
 - New Delhi  Ess Ess Publications  1998 
 - v.;  24cm. 
<br/><br/><label>ISBN: </label>817000232X(v.1) 81-7000-236-2(v.2) 
<br/><br/><label>Dewey Class. No.: </label>Lib  / 519.5024092 SEH