Modeling the interaction of resource flows in the foreign trade system Pyotr Kurenkov, Alexey Volodin, Anastasia Safronova, Diana Kakhrimanova and Jozef Majerčák MATEC Web Conf., 329 (2020) 03061 Published online: 26 November 2020 DOI: 10.1051/matecconf/202032903061