Philippine and international radio laws and regulations : (with explanations) 
Payumo, Pablo R. 
 - tenth revised edition. 
 -  National Book Store, Inc.  1996 
 - xxxviii, 1060 pages. 
<br/><br/>
<br/><br/><label>ISBN: </label>9-71085851-3 
<br/><br/><label>Dewey Class. No.: </label>M 623.893 P29p 1996