@article {24895,
	title = {Computers in Human Behavior},
	journal = {The maturing of gamification research},
	year = {2017},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-85009437411\&partnerID=MN8TOARS},
	author = {Nacke, L.E. and Deterding, S.}
}
