Kalnaya AY, Krivokora EI, Kalyugina SN. Assessing Labour Resource Efficiency: A Territorial Perspective . Econ Reg [Internet]. 2025 Jun. 30 [cited 2026 Apr. 2];21(2):452-70. Available from: https://economyofregions.org/ojs/index.php/er/article/view/1008