Sulaiman, F. . (2023) “The Development of Protocol Educational Game Application to Enhance English Vocabulary Learning of Mathayomsuksa 5 Students”, Suan Dusit Graduate School Academic Journal. Bankok, Thailand, 19(3), pp. 19–35. available at: https://so19.tci-thaijo.org/index.php/SDUGSAJ/article/view/70 (accessed: 7 April 2025).