LISZEWSKI, Stanisław. Introduction. Turyzm/Tourism, [S. l.], n. 2, p. 4, 1986. DOI: 10.18778/0860-1119.2.02. Disponível em: https://www.czasopisma.uni.lodz.pl/tourism/article/view/11155. Acesso em: 15 feb. 2026.