BABAYEV , E.A. Аbout the ancient Turkic tribes who adopted Christianity. Bulletin of the Karaganda university History. Philosophy series, [S. l.], v. 87, n. 3, p. 53–58, 2017. Disponível em: https://ejh.buketov.edu.kz/history-philosophy-vestnik/article/view/275. Acesso em: 27 sep. 2026.