Jitjumnong C, Kaitbanditkul N. American English Vocabulary Learning Achievement of Army Cadets through Game-Based Learning: Differentiated Guidelines by Proficiency Level . CRMA_HUSO [internet]. 2026 Oct. 1 [cited 2026 Oct. 7];13(1):108-20. available from: https://so01.tci-thaijo.org/index.php/CRMA_HUSO/article/view/291228