K. Boonmak and T. Sonthirak, “The Study of English Pronunciation of English Final Consonants /t/, /d/, and /ɪd/ with Using Sociolinguistics and Peer-Assisted learning for Grade 6 Students at Banwangchumphon School in Nakhon Sawan Province”, JSSRA, vol. 21, no. 1, pp. 199–210, Jan. 2026.