KAINDEL, C. Geocaching: Jäger des wertlosen Schatzes. Medienimpulse, [S. l.], v. 54, n. 2, 2016. DOI: 10.21243/mi-02-16-07. Disponível em: https://journals.univie.ac.at/index.php/mp/article/view/mi928. Acesso em: 26 juni. 2022.