Yuhan Meng และ Sumalee Chinokul. (2025) Investigation of Extramural English Activities Practices among Chinese EFL High School Students with Different English Proficiency Levels. <i>BRU ELT JOURNAL</i>, <i>3</i>(2), 107-123.Yuhan Meng และ Sumalee Chinokul. "Investigation of Extramural English Activities Practices among Chinese EFL High School Students with Different English Proficiency Levels". BRU ELT JOURNAL 3 (2025):107-123.Yuhan Meng และ Sumalee Chinokul. Investigation of Extramural English Activities Practices among Chinese EFL High School Students with Different English Proficiency Levels. Ph.D. Program in English Language Teaching (ELT), Faculty of Humanities and Social Sciences, Buriram Rajabhat University:ม.ป.ท. 2025.