RonPub UG (haftungsbeschränkt) http://www.ronpub.com Steven Frazier-Roberts Cathryn Peoples The Design of a Gamification Algorithm in a Music Practice Application 16-30 2019 Open Journal of Web Technologies (OJWT) 6 6 http://nbn-resolving.de/urn:nbn:de:101:1-2018122318343712132047 https://www.ronpub.com/ojwt/OJWT_2019v6i1n02_Roberts.html https://www.ronpub.com/OJWT_2019v6i1n02_Roberts.pdf