The Perception of Computer Engineering Department Students at Politeknik Negeri Jember towards the Use of Duolingo in Learning English. SELL (Scope of English Language Teaching, Linguistics, and Literature) Journal, [S. l.], v. 5, n. 1, p. 32–39, 2020. Disponível em: http://publikasi.stkippgri-bkl.ac.id/index.php/SL/article/view/243. Acesso em: 16 jan. 2026.