Pitukhina, M.A., Belykh , A.D. and Tolstoguzov , O.V. 2025. Key Hubs of the Polar Silk Road: Sustainable Arctic Routes. Economy of Regions. 21, 3 (Sep. 2025), 848–858. DOI:https://doi.org/10.17059/ekon.reg.2025-3-19.