Hancock, Alan <br/><br/>
Communication planning revisited / 
Aaln Hancock 
 - Paris :  Unesco,  1992 
 - 220 p. ;  23 cm. 
 - Monographs on communication planning ;  5 .
<br/><br/><label>ISBN: </label>9231027549 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communication planning