Heng, Kimkong. “Cambodian EFL University Students’ Learning Strategies and Motivation to Improve Their English Language Speaking Skills: a Qualitative Study”. Journal of Studies in the English Language 12, no. 2 (December 13, 2017): 45–70. accessed September 28, 2026. https://so04.tci-thaijo.org/index.php/jsel/article/view/83210.