YAVORSKA, V.; NIKOLAEVA, E. Methodological bases and principles of systematics of territorial organization of recreational and tourist activities of the region. Journal of Education, Health and Sport, [S. l.], v. 7, n. 7, p. 1150–1164, 2017. Disponível em: https://apcz.umk.pl/JEHS/article/view/5097. Acesso em: 8 dec. 2023.