KYFYAK, V.; KYFYAK, O. A methodology for calculating individual indicators of tourism activity. Turyzm/Tourism, [S. l.], v. 28, n. 1, p. 41–45, 2018. DOI: 10.18778/0867-5856.28.1.13. Disponível em: https://www.czasopisma.uni.lodz.pl/tourism/article/view/3523. Acesso em: 18 maj. 2024.