Mangal, S.K. <br/><br/>
Technology of Teaching 
/ by S.K. Mangal  
 - 1st Ed. 
 - New Delhi,  Arya Book Depot;  2003. 
 - vii, 346p. 
<br/><br/><label>Dewey Class. No.: </label>371.3354  / MAN/T