Suaysee, N., and R. Sukpat. “What! Phonological Features of Asian English”. Rajamangala University of Technology Tawan-ok Social Science Journal, vol. 12, no. 1, June 2023, pp. 11-21, https://so05.tci-thaijo.org/index.php/SocialJournal2rmutto/article/view/265045.