Khamwan, T. (2024) “An Investigation of Communication Strategies for Overcoming Lexical Problems in ELF Situation”, KKU Research Journal (Graduate Studies) Humanities and Social Sciences, 12(2), pp. 78–84. available at: https://so04.tci-thaijo.org/index.php/gskkuhs/article/view/273097 (accessed: 15 September 2026).