Babayarov, Gaybulla. “Coins of the Western Turkic Qaghanate With a Title ‘Tardu-Qaghan’”. Turkic Studies Journal 1, no. 1 (November 26, 2021): 12–24. Accessed July 3, 2024. https://tsj.enu.kz/index.php/new/article/view/18.