Gupta Naresh Kumar <br/><br/>
Research in teaching of science: Models and strategies 

 - New Delhi, India   APH Publishing Corporation   1997 
 - x,210p. 
<br/><br/><label>ISBN: </label>81-7024-865-5 
<br/><br/><label>Source: </label>Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science teaching- Research