พละโชติ ศ. and เนาวนนท์ อ. (2018) “A Study of English Listening and Speaking Abilities of 1st Graders Using Total Physical Response Method”, Ratchaphruek Journal, 16(3), pp. 81–89. available at: https://so05.tci-thaijo.org/index.php/Ratchaphruekjournal/article/view/153313 (accessed: 26 August 2026).