PERMATASARI, D. .; ARYANI, F. DUOLINGO: AN ENCHANTING APPLICATION TO LEARN ENGLISH FOR COLLEGE STUDENTS. ELTR Journal, [S. l.], v. 7, n. 2, p. 101-109, 2023. DOI: 10.37147/eltr.v7i2.176. DisponĂ­vel em: https://apspbi.or.id/eltr/index.php/eltr/article/view/176. Acesso em: 9 dec. 2023.