RUSTIMAN, Uus; FIRMANSYAH, Eka Kurnia. The effectiveness of CEFR-aligned Arabic language instruction in Islamic economics education: Motivational and achievement outcomes. Humanities & Language: International Journal of Linguistics, Humanities, and Education, Binjai, Indonesia, v. 3, n. 2, p. 151–160, 2026. DOI: 10.32734/q5d3s512. Disponível em: https://amedialiterasi.com/index.php/humaniola/article/view/149.. Acesso em: 22 oct. 2026.