Kayirken Тұрсынхан З. 2021. “Historical Geography of Altai in the Epoch of Turkic Kaganate (VI-XIII Centuries)”. Bulletin of L.N. Gumilyov Eurasian National University. Historical Sciences. Philosophy. Religious Studies 136 (3):40-61. https://doi.org/10.32523/2616-7255-2021-136-3-40-61.