Vladimirov Ж., Legostaeva А.А., and Turgambaev М.К. “Comparative Analysis of Calculation Methods Factor Models of Digital Economy of Kazakhstan”. Economic series of the Bulletin of L.N. Gumilyov ENU, no. 4 (February 2, 2023): 54–65. Accessed February 7, 2026. https://bulecon.enu.kz/index.php/main/article/view/473.