Lemons, Ricky, and Samran Tao-ngoen. 2024. “Study of Phetchabun Rajabhat University Second and Third Year Students’ Listening and Speaking Difficulties in English Language”. Journal of Asian Language Teaching and Learning (Online) 5 (2):01-12. https://so10.tci-thaijo.org/index.php/jote/article/view/1401.