Dr. Ijaz Asghar, Dr. Shahid Abbas , Hafiz Ahmad Bilal, Junaid Anwar. “MERGER OF HIGH VOWELS IN PAKISTANI ENGLISH: AN ACOUSTIC INVESTIGATION”. PalArch’s Journal of Archaeology of Egypt / Egyptology, vol. 18, no. 7, Apr. 2021, pp. 65-77, https://archives.palarch.nl/index.php/jae/article/view/7596.