Siriwanna, Jiradchaya, and Prayong Klanrit. 2025. “The Implementation of Flipped Classroom Instruction to Enhance English Reading Comprehension Skills of Grade 9 Students”. Journal of Roi Et Rajabhat University 19 (1):17-28. https://so03.tci-thaijo.org/index.php/reru/article/view/284963.