Albert-Hesse, Dominique Roger Jost, Monika L'arbre de la communication the communication tree el'arbol de la communicacion /[by] Dominique Roger Jane Albert-Hesse, Monika Jost - [Paris] UNESCO [n.d.] - 115 p. Includes bibliography. ISBN: 81103 Subjects--Topical Terms: Communication Dewey Class. No.: 302.23 / UNI