Chowdary, T.H. <br/><br/>
Are you listening/ 
by T.H. Chowdary. 
 - Bombay:  Bhartiya Vidya Bhavan,  1990. 
 - viii, 237p.;  22cm 
<br/><br/><label>ISBN: </label> Rs.50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication<br/>Communication
<br/><br/><label>Dewey Class. No.: </label>384  / CHO