%0 Journal Article %T Gamification Science, Its History and Future: Definitions and a Research Agenda %A Landers, Richard N. %A Auer, Elena M. %A Collmus, Andrew B. %A Armstrong, Michael B. %J Simulation & Gaming: An Interdisciplinary Journal of Theory, Practice and Research %V 49 %N 3 %P 315-337 %@ 1046-8781 %D 2018-06-01 %I SAGE Publications %~ DeepDyve