Communication policies in Colombia / 
carried out by the Technical Department of Causa Comun under the direction of Alberto Carrizosa Alajmo, and with the collaboration of Ivan Botero Paramo, Luis Alberto Arenas and Alberto Umana. 
 - Paris :  Unesco,  1977. 
 - 50 p. ;  24 cm. 
<br/><br/>Bibliography: p. 50. 
<br/><br/><label>ISBN: </label>9231013807 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communication--Colombia.
<br/><br/><label>Dewey Class. No.: </label>380.309861  / CAC 1977