@conference {1470,
	title = {ACM International Conference Proceeding Series},
	booktitle = {The kaleidoscope of effective gamification: Deconstructing gamification in business applications},
	year = {2013},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-84905491903\&partnerID=MN8TOARS},
	author = {Kappen, D.L. and Nacke, L.E.}
}
