-
1كتاب
المؤلفون: Hoffjann, Olaf, author.
المساهمون: Arlt, Hans-Jürgen, 1948- author.
مصطلحات موضوعية: Public relations., Journalism and public relations., Internet in public relations., Mass media -- Social aspects.
المؤلفون: Hoffjann, Olaf, author.
المساهمون: Arlt, Hans-Jürgen, 1948- author.
مصطلحات موضوعية: Public relations., Journalism and public relations., Internet in public relations., Mass media -- Social aspects.