Ray G L <br/><br/>
Extensions communication and management/ 
by Ray G L. 
 - 3rd. 
 - Culcutta:  Naya Prakash,  1991. 
 - 313p. 
<br/><br/><label>ISBN: </label>9780415253970 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mass Communication<br/>Media Studies
<br/><br/><label>Dewey Class. No.: </label>302.23  / RAY/U