RAVINDRAN, D. D.; ARUL SENTHIL, D. B. GAMIFICATION APPROACH IN SUSTAINABLE E-LEARNING METHOD. Distance Education in Ukraine: Innovative, Normative-Legal, Pedagogical Aspects, [S. l.], v. 1, n. 2, p. 15–21, 2023. DOI: 10.18372/2786-5495.1.17302. Disponível em: https://jrnl.nau.edu.ua/index.php/DEU/article/view/17302. Acesso em: 24 apr. 2024.