Trivedi, P.R.   . <br/><br/>
Environmental education /  
by P.R. Trevedi. 
 - New Delhi :   A P H Publishing Corporation ,   2004 
 - 201p :  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education
<br/><br/><label>Dewey Class. No.: </label>T:3(G:55)  / P4;2