Sahoo P K <br/><br/>
Open learning system 

 - New Delhi  Uppal publishing House       1994 
 - 316p  cm. 
<br/><br/><label>Standard No.: </label>54329 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>EDUCATION
<br/><br/><label>Dewey Class. No.: </label>T4:4,8.2'N9, N4