Utubaev Ж., Yersariyev А., Suyundikova М., and Kasenova А. “Results of the Study of Balanda (Bulanda) Fortification”. Turkic Studies Journal, vol. 5, no. 2, June 2023, pp. 49-66, doi:10.32523/2664-5157-2023-2-49-66.