How to Use Game Elements to Enhance Learning: Applications of the Theory of Gamified Learning. - Richard N. Landers; Michael B. Armstrong; Andrew B. Collmus (Serious Games and Edutainment Applications, 2017)

Enhancing instructional outcomes with gamification: An empirical test of the Technology-Enhanced Training Effectiveness Model. - Richard N. Landers; Michael B. Armstrong (Comput. Hum. Behav., 2017)