Oberoi, Pawan Kumar. <br/><br/>
Research Methodlogy / 
By Pawan Kumar Oberoi. 
 - 1st Ed. 
 - N.Delhi :  Global vision publishing house,  2012. 
 - 555p. ;  00 cm. 
<br/><br/><label>Dewey Class. No.: </label>001.42  / OBE