DHANUKA,K.R, KOTHARI,SANJAY <br/><br/>
HANDBOOK FOR TELEPHONE USERS 

 - BOMBAY  POP  1988 
 -  91 
<br/><br/> BR-1191 
<br/><br/><label>ISBN: </label>NCST  20 
<br/><br/><label>Dewey Class. No.: </label>189