Oravec, J. A. “Gamification and Multigamification in the Workplace: Expanding the Ludic Dimensions of Work and Challenging the work/Play Dichotomy”. Cyberpsychology: Journal of Psychosocial Research on Cyberspace, vol. 9, no. 3, Oct. 2015, p. Article 6, doi:10.5817/CP2015-3-6.