Pujitha-Gunawardana, C.L. <br/><br/>
This is Colombo calling : Colombo broadcasting service 

 - Nugegoda:  Perali,  1990. 
 - xxxvi,216p.;  21cm 
<br/><br/><label>ISBN: </label>955-603-010-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radio broadcasting<br/>Telecommunication<br/>Sri Lanka
<br/><br/><label>Dewey Class. No.: </label>384.54  / PUJ