Фокин, Валерий Денисович, Елена Игоревна Гужова, and Наталья Васильевна Власова. “TOP - 3 RAILWAY OPERATORS IN THE RUSSIAN FEDERATION FOR THE REPORTING PERIOD 2020-2021. ACCORDING TO THE CRITERIA OF RAILWAY ROLLING STOCK”. The electronic scientific journal "Young science of Siberia", no. 1(15) (May 6, 2022). Accessed July 3, 2024. https://ojs.irgups.ru/index.php/mns/article/view/462.