KOWALCZYK, Andrzej. ‘Mountain resorts’: origins and evolution. Turyzm/Tourism, Poland, v. 19, n. 1-2, p. 33–41, 2009. DOI: 10.2478/V10106-009-0004-y. Disponível em: https://www.czasopisma.uni.lodz.pl/tourism/article/view/7528. Acesso em: 8 aug. 2026.