Thaipradit, Kanokwan, and Supakrit Thabthieng. “The Development of a Computer-Assisted Instruction in English Vocabulary for TOEIC Test Preparation”. Ratchaphruek Journal 18, no. 3 (December 7, 2020): 30–38. accessed September 12, 2026. https://so05.tci-thaijo.org/index.php/Ratchaphruekjournal/article/view/226119.