Jitjumnong, C., & Kaitbanditkul, N. (2026). American English Vocabulary Learning Achievement of Army Cadets through Game-Based Learning: Differentiated Guidelines by Proficiency Level . CRMA Journal of Humanities and Social Sciences, 13(1), 108–120. retrieved from https://so01.tci-thaijo.org/index.php/CRMA_HUSO/article/view/291228