Sen, B. R. <br/><br/>
Effective methods of teaching science/  
By B.R. Sen 
 - New Delhi  Commonwealth Publishers  2025 
 - 242p. 
<br/><br/><label>ISBN: </label>81-7169-957-X 
<br/><br/><label>Source: </label> Textbook 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SCIENCE- TEACHING
<br/><br/><label>Dewey Class. No.: </label>507 SEN/R