Hafiz Ahmad Bilal, Musarrat Azhar, Ifra Anam, Sadia Saeed,. Diphthongs of Pakistani English: An acoustic study. Elementary Education Online [Internet]. 2023 Dec. 19 [cited 2025 Jan. 5];20(5):4920-31. Available from: https://ilkogretim-online.org/index.php/pub/article/view/4224