Burnasov, Alexander, Ilyushkina Maria, Yury Kovalev, Anatoly Stepanov, and Gulnara Nyussupova. 2019. “The Transformation of Economic Development in the Border Regions of Russia and Kazakhstan in the Post-Soviet Period”. Studies of the Industrial Geography Commission of the Polish Geographical Society 33 (2):132-41. https://doi.org/10.24917/20801653.332.10.