“Transportation As a Factor of Sustainable Development of Economy and Foreign Trade. Трaнспортнaя инфрaструктурa кaк фaктор устойчивого рaзвития экономики и внешней торговли”. Journal of Economic Research & Business Administration 115, no. 3/2 (November 30, 2016). Accessed September 1, 2026. https://be.kaznu.kz/index.php/math/article/view/1426.