Goyal, N. C. <br/><br/>
Radio aevam‌ duradarsana ke sidhanta / 
N. C. Goyal 
 - New Delhi :  Standard Publishers Distributors,  2009. 
 - 877 p. :  ill. ;  21 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communication engineering 
<br/><br/><label>Dewey Class. No.: </label>621.388  / GOY/R