MEI TRI WAHYU SAPUTRI. Duolingo Application as A Learning Aid to Enhance Vocabulary Proficiency in Procedure Texts at Junior High School. Jurnal Yudistira : Publikasi Riset Ilmu Pendidikan dan Bahasa, [S. l.], v. 2, n. 4, p. 533–540, 2024. DOI: 10.61132/yudistira.v2i4.1317. Disponível em: https://journal.aripi.or.id/index.php/Yudistira/article/view/1317. Acesso em: 16 jan. 2025.