Gamification improves extrinsic but not intrinsic motivation to learning in undergraduate students: a counterbalanced study . Eur. j. educ. psicol. [Internet]. 2023 Jun. 2 [cited 2026 Nov. 12];16(1):1-18. Available from: https://revistas.uautonoma.cl/index.php/ejep/article/view/2007