Khamkhien A. Proficiency, motivation, and classroom anxiety and their effects on language learning strategies used by Thai EFL learners . J. Curr. Sci. Technol. [internet]. 2012 Dec. 15 [cited 2025 Oct. 23];2(2):85-98. available from: https://ph04.tci-thaijo.org/index.php/JCST/article/view/576