@article {24904,
	title = {CEUR Workshop Proceedings},
	journal = {Gamification research: A 50-years retrospective from pbls towards conscious evolution},
	year = {2016},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84996604216\&partnerID=MN8TOARS},
	author = {Tondello, G.F. and Nacke, L.E.}
}
