Rao, I.K.Ravichandra. <br/><br/>
Quantitative Methods for Library and information Science /  

 - New Delhi-110002 :   Wiley Eastern Ltd. ,   1971 
 - xi,271p :  
<br/><br/><label>ISBN: </label>0-85226-749-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Testing of hypothesis
<br/><br/><label>Dewey Class. No.: </label>2:(B)  / M3;1