สีสุดทา เ., ฤทธิเดช ป. and กุลสุวรรณ ก. (2019) “The Development of Thai Writing Communication for Secondary Students in the Non-Formal and Informal Education Center by Using Mind Mapping and Drills”, Journal of Roi Et Rajabhat University, 13(3), pp. 3–9. available at: https://so03.tci-thaijo.org/index.php/reru/article/view/192136 (accessed: 31 August 2026).