LUTFIAH, Z.; SAPUTRA, R. .; PUTRI, R. . The Effect of Using the Duolingo Application on English Learning Outcomes of Third-Grade Students at SD Negeri 10 Sitiung. TOFEDU: The Future of Education Journal, [S. l.], v. 4, n. 7, p. 3516–3522, 2025. DOI: 10.61445/tofedu.v4i7.813. Disponível em: http://journal.tofedu.or.id/index.php/journal/article/view/813. Acesso em: 29 sep. 2025.