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.

Bibliography: p. 50.

9231013807


Communication--Colombia.

380.309861 / CAC 1977