Approaches to communication planning

Approaches to communication planning [Texte imprimé] / ed. by John Middleton - Paris: Ed. de l'UNESCO, 1980 - 300 p. ; 24 cm - Monographs on communication planning (Ed. de l'UNESCO, Paris) ; 1 . - Monographs on communication planning (Ed. de l'UNESCO, Paris) ; 1 .

92-3-101801-9

384.041