Sehgal, R L <br/><br/>
Designing and evaluation of research in library science: v 2 

 - 1st 
 - New Delhi  Ess Ess  1998 
 - 8,363p p. 
<br/><br/><label>ISBN: </label>81-7000-228-1 
<br/><br/><label>Subjects--Index Terms: </label>Library Science - Research