Research methodology in library science 
Research methodology in library science 
 - 1st ed.  "276 p. ; 22.5 cm., hbk." 
 - New Delhi  Common Wealth Publishers Pvt. Ltd  2012 
<br/><br/><label>ISBN: </label>9788131103357 
<br/><br/><label>Dewey Class. No.: </label>020.7 AGA  / 22.020.7 AGA