PITKÄMÄKI, A.; HONKANEN, A. Tourists’ interest in participating sustainability activities while travelling. Matkailututkimus, [S. l.], v. 8, n. 1, p. 24–34, 2012. Disponível em: https://journal.fi/matkailututkimus/article/view/90869. Acesso em: 22 marras. 2024.