POMPUROVÁ, Kristína; MARČEKOVÁ, Radka. Are the Volunteer Projects Included in Package Holiday Tour? Case Study Evidence from the Slovakia and Czech Republic. Journal of Tourism and Services, [S. l.], v. 8, n. 15, p. 19–26, 2017. Disponível em: https://www.jots.cz/index.php/JoTS/article/view/doi_10.29036.2017.8.15.2. Acesso em: 1 may. 2025.