How to Apply Gamification Techniques to Design a Gaming Environment for Algebra Concepts. - Usef Faghihi; Donald Aguilar; David Chatman; Nicholas Gautier; Jeffrey Gholson; Justin Gholson; Melvin Lipka; Robert Dill; Philippe Fournier-Viger; Sioui Maldonado-Bouchard (eLEOT, 2016)