371.35<br/>RAY<br/><br/>
6070<br/><br/>
Ray, G. L. <br/><br/>
EXTENSION COMMUNICATION AND MANAGEMENT 

. – 2nd rev. enl. ed. 
. – CALCUTTA :  NAYA PROKASH.
<br/><br/>309 p. 
<br/><br/>ISBN 81-85421-25-0 .
<br/><br/><label>Dewey Class. No.: </label>371.35  / RAY