AGUIAR-CASTILLO, Lidia; ARCE-SANTANA, Edgar; GUERRA-YANEZ, Carlos; GUERRA-YANEZ, Victor; PEREZ-JIMENEZ, Rafael. Gamification: A Motivation Metric Based in a Markov Model. International Journal of Emerging Technologies in Learning (iJET), [S. l.], v. 17, n. 13, p. pp. 17–34, 2022. DOI: 10.3991/ijet.v17i13.30781. Disponível em: https://online-journals.org/index.php/i-jet/article/view/30781. Acesso em: 26 apr. 2024.