KUZNETSOVA, Olga Pavlovna; KUZMENKO, Arina Aleksandrovna; YUMAEV, Egor Aleksandrovich. Co-Opetition (Coexisting Competition and Competitive Coexistaence) in the Tourism Field in Siberian Regions. Economy of Regions, [S. l.], v. 13, n. 1, p. 237–248, 2017. DOI: 10.17059/2017-1-22. Disponível em: https://economyofregions.org/ojs/index.php/er/article/view/2113. Acesso em: 4 jun. 2026.