Röhle, Theo2018-10-092018-10-092014https://www.uni-muenster.de/Ejournals/index.php/pop/article/view/1420/1331https://mediarep.org/handle/doc/3952deuGamificationAppGame StudiesMobile MedienHarun FarockiGuy Debord79410.25969/mediarep/2566nbn:de:hbz:6:3-pop-2014-133192198-0322