ZMYŚLONY , Piotr; SZUTOWSKI , Dawid. Measuring the Long-Term Effectiveness of City Tourism Sales Promotion. Studia Oeconomica Posnaniensia, Poznan, Polska, v. 2, n. 1, p. 134–151, 2014. DOI: 10.18559/01smqa26. Disponível em: https://journals.ue.poznan.pl/soep/article/view/3168. Acesso em: 3 sep. 2026.