“An Error Analysis: Iraqi EFL College Learners Problems in British Diphthongs and Triphthongs Pronunciation”. ALUSTATH JOURNAL FOR HUMAN AND SOCIAL SCIENCES 60, no. 1 (March 13, 2021): 93–114. Accessed March 31, 2025. https://alustath.uobaghdad.edu.iq/index.php/UJIRCO/article/view/1295.