Strmečki, Daniel, et al. “Gamification in E-Learning: Introducing Gamified Design Elements into E-Learning Systems”. Journal of Computer Science, vol. 11, no. 12, 2015, pp. 1108-17, https://doi.org/10.3844/jcssp.2015.1108.1117.
Strmečki, D., Bernik, A., & Radošević, D. (2015). Gamification in E-Learning: Introducing Gamified Design Elements into E-Learning Systems. Journal of Computer Science, 11(12), 1108-1117. https://doi.org/10.3844/jcssp.2015.1108.1117
Strmečki D, Bernik A, Radošević D. Gamification in E-Learning: Introducing Gamified Design Elements into E-Learning Systems. Journal of Computer Science. 2015;11(12):1108-17.