Nurbayeva А., Turdieva З., and Makysh М. “New Trends in the Development of Innovations in Railway Transport”. ECONOMIC Series of the Bulletin of the L N Gumilyov ENU, no. 1 (March 30, 2023): 172–184. Accessed November 22, 2024. https://bulecon.enu.kz/index.php/main/article/view/571.