ZELENKOV, Yury Aleksandrovich; TSVETKOV, Valery Anatolyevich; SOLNTSEV, Ilya Vasilyevich. Comparative Assessment the of Effectiveness of Sports Development in the Russian Regions on the Basis of DEA Method. Economy of Regions, [S. l.], v. 13, n. 4, p. 1184–1198, 2017. DOI: 10.17059/2017-4-17. Disponível em: https://economyofregions.org/ojs/index.php/er/article/view/2038. Acesso em: 4 jun. 2026.