UNTURA, Galina A.; KANEVA, Maria A.; MOROSHKINA, Olga N. Phenomenon of Structural-Technological Proximity and Knowledge Spillovers between Russian Regions. Economy of Regions, [S. l.], v. 16, n. 4, p. 1254–1271, 2020. DOI: 10.17059/ekon.reg.2020-4-17. Disponível em: https://economyofregions.org/ojs/index.php/er/article/view/1668. Acesso em: 24 apr. 2026.