Prasad, Janardan <br/><br/>
Practical aspects in teaching of science / 
Janardan Prasad 
 - New Delhi:  Kanishka Publishers, Distributors,  1999. 
<br/><br/><label>ISBN: </label>8173913080 
<br/><br/><label>Dewey Class. No.: </label>371.3  / PRA/P