Resources of effective teaching. 
Edited by V. K. Rao and R. S. Reddy. 
 - New Delhi :  Commonwealth publishers,  1992. 
 - 256 p. :  ill. ;  25 cm. 
<br/><br/><label>ISBN: </label>8171692273 
<br/><br/><label>Dewey Class. No.: </label>371.1  / RES 1992