Ravichandra Rao, I. K. <br/><br/>
Quantitative methods for Library and Information Science / 
by I. K. Ravichandra Rao 
 - New Delhi :  Wiley Eastern Ltd,  1983. 
<br/><br/><label>ISBN: </label>0852267495 
<br/><br/><label>Subjects--Index Terms: </label>Function Library Science Mathematics Statistics