İPEK YOLU BAĞLAMINDA GÖK TÜRKLER DEVRİNDE ÇİN’İN TÜRKİSTAN’I İSTİLA POLİTİKASI (CHINESE INVASION POLICY OF TURKESTAN IN THE PERIOD OF GOKTURKS IN THE SENSE OF SILK ROAD) - Yaşar BEDİRHAN -- Fatih ÖZTOP | The Journal of Turk-Islam World Social Studies