Ukwattage, S. <br/><br/>
Mixed methods research in library and information science 
Swarna Ukwatta 
 - Colombo  National Library and Documentation Services Board   2015 
 - 245 - 252 p.  pbk. ;  24 cm 
<br/><br/><label>Dewey Class. No.: </label>027.59548  / SRI