Jha,Sumangala <br/><br/>
Research methodology and techniques in Library science 

 - 1st,ed. 
 - N.Delhi  Centrum press  2014 
 - 304p. 
<br/><br/><label>ISBN: </label>9789350844311 
<br/><br/><label>Dewey Class. No.: </label>020.72  J559R