Lamphuttha, Phramaha Tawan. “A Study of English Instruction Improvement of Teachers Toward Students of Mathayomsuksa 1-3 Students at Sutepnakornwich School in Roi Et Province”. Journal of MCU Humanities Review 6, no. 1 (July 1, 2020): 165–175. Accessed April 20, 2024. https://so03.tci-thaijo.org/index.php/human/article/view/236644.