P K Bhattacharya <br/><br/>
Science and Technology education through exhibitions/ 
by P K Bhattacharya  
 - New Delhi:  National council of Educational Research and Training,  1991. 
 - 270p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science Exhibitions<br/>Science Teaching<br/>Science
<br/><br/><label>Dewey Class. No.: </label>507.4  / PKB/S