NOWACKI, Filip; RYFA, Jakub. User Classification and its Applicability for the Purposes of Game-Based Learning Development. Studia Oeconomica Posnaniensia, Poznan, Polska, v. 3, n. 5, p. s. 175–189, 2015. DOI: 10.18559/mghxqz57. Disponível em: https://journals.ue.poznan.pl/soep/article/view/3953. Acesso em: 3 sep. 2026.