Sehgal, R. L. <br/><br/>
Statistical techniques for librarians / 
R. L. Sehgal 
 - New Delhi :  Ess Ess Publications,  1998 
 - 410 p. :  ill. ;  22 cm. 
<br/><br/><label>ISBN: </label>8170002311  RM120.08 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library statistics<br/>Library science--Statistical methods