Başkan, Selma. “Yİ Cheng Princess (义成公主 Yi Cheng Gongzhu) Who Married The Four Gokturk Khagans”. Journal of the Turkic World Women Studies 3, no. 4 (March 22, 2024): 1–12. Accessed May 18, 2024. https://turkicworldwomen.com/index.php/pub/article/view/37.