Duger Gantuya, Togtohbaatar Javzansuren, Olzol Narantsetseg, and Oyunchimeg Bolor-Erdene. “THE GRAVITATIONAL MODEL OF THE MONGOLIAN FOREIGN TRADE”. International Journal of Innovative Technologies in Economy, no. 4(36) (December 17, 2021). Accessed March 14, 2025. https://rsglobal.pl/index.php/ijite/article/view/2216.