Singh, U. K <br/><br/>
Science education 
U. K. Singh, A. K. Nayak 
 - New Delhi  Commonwealth Publications  2006 
 - 319p.;23cm 
<br/><br/><label>ISBN: </label>9788171694310 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science Education
<br/><br/><label>Dewey Class. No.: </label>372.35 SIN