Joshi, P.R <br/><br/>
Research methodology. 

 - 2nd.ed 
 - Nepal:  Buddha Academic Publishers;  2002. 
 - v;298p.illus. 
<br/><br/><label>ISBN: </label>999333510X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>research methods<br/>Data collection<br/>sampling
<br/><br/><label>Dewey Class. No.: </label>001.42 j83r/2002