HEIL, C. R.; WU, J. S.; LEE, J. J.; SCHMIDT, T. A Review of Mobile Language Learning Applications: Trends, Challenges, and Opportunities. The EuroCALL Review, [S. l.], v. 24, n. 2, p. 32–50, 2016. DOI: 10.4995/eurocall.2016.6402. Disponível em: https://polipapers.upv.es/index.php/eurocall/article/view/6402. Acesso em: 13 nov. 2025.