Methods of communication planning

Methods of communication planning [Texte imprimé] / Ed. by John Middleton, Dan J. Wedemeyer - Paris : Ed. de l'UNESCO, 1985 - 487 p. ; 24 cm - Monographs on communication planning (Ed. de l'UNESCO, Paris) ; 3 . - Monographs on communication planning (Ed. de l'UNESCO, Paris) ; 3 .

Notes bibliogr.

92-3-102112-5

302.23