DIMITROV, Preslav. Long-run forecasting of the number of the ecotourism arrivals in the municipality of Stambolovo, Bulgaria. Tourism & Management Studies, [S. l.], v. 9, n. 1, p. 41–47, 2013. Disponível em: https://tmstudies.net/index.php/ectms/article/view/545.. Acesso em: 29 apr. 2024.