Vijayakrishnan Etc <br/><br/>
Drusya sravya madhyamangal / 

 - Thiruvananthapuram :  Kerala Bhasha Institute ,  2003. 
 - 157 p. 
<br/><br/><label>ISBN: </label>8176383953 
<br/><br/><label>Subjects--Index Terms: </label>Communication Media