Periodical <br/><br/>
Progress of Educaton . Vol 57, Nos 1-12 Aug 82- July 1983 

 - Pune  Pune Vidyarthi Gruha Prakashan  1982-83 
 - 292 
<br/><br/><br/>English 
<br/><br/><label>Dewey Class. No.: </label>370.5P.E