Sudhinont, J., and J. Sudhinont. “SOUND SOURCES AND TONAL PHONETIC FEATURES OF ONOMATOPOEIA IN BASIC THAI LANGUAGE TEXTBOOKS”. Journal of Liberal Art of Rajamangala University of Technology Suvarnabhumi, vol. 8, no. 2, June 2026, pp. 128-42, https://so03.tci-thaijo.org/index.php/art/article/view/297749.