Handbook on international public relations Hill and Knowlton International creator text dictionary ^^^ 1967 monographic eng 202 p. XX Manual Relaciones internacionales Relaciones públicas Estudios de casos Europa occidental 327 HILh v.1 (Praeger special studies in international politics and public affairs) Acervo ITESO - Biblioteca 050901 20250521000000.0 000492009