MEDYA-SİYASET GÜNDEMİ İLİŞKİSİ KAPSAMINDA TÜRKİYE’DE ULUSA SESLENİŞ KONUŞMALARININ GÜNDEM BELİRLEME GÜCÜ (Agenda Setting Power of National Speeches within the Scope to Relation of Media-Policy Agenda in Turkey) - Yavuz BAYRAM - | Journal of History School