ALMUTALABI, Mukhalad Malik. Analysing the Improper Pronunciation of Diphthongs by Iraqi EFL learners. Jurnal Arbitrer, [S. l.], v. 5, n. 1, p. 17–22, 2018. DOI: 10.25077/ar.5.1.17-22.2018. Disponível em: https://arbitrer.fib.unand.ac.id/index.php/arbitrer/article/view/96. Acesso em: 27 feb. 2026.