Vladimirov Ж. ., Legostaeva А. ., and Turgambaev М. . “Comparative Analysis of Calculation Methods Factor Models of Digital Economy of Kazakhstan”. ECONOMIC Series of the Bulletin of the L N Gumilyov ENU, no. 4, Feb. 2023, pp. 54-65, doi:10.32523/2079-620X-2020-4-54-65.