Trivedi, P.R.  <br/><br/>
Some aspects of secondary science education / 
P.R. Trivedi. 
 - New Delhi :  A. P. H.,  2004 
 - 201 p.:  ills.  21 cm. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>8176485330 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental education.
<br/><br/><label>Universal Decimal Class. No.: </label>372.3044