Analysis of Gamification Elements and Micro-interactions in the Duolingo Application: A Systematic Literature Review. Journal of Science, Technology, and Innovation, [S. l.], v. 1, n. 2, p. 278–287, 2025. DOI: 10.65310/tmer5v81. Disponível em: https://scriptaintelektual.com/inventa/article/view/593. Acesso em: 8 feb. 2026.