สีสุดทา เ, ฤทธิเดช ป, กุลสุวรรณ ก. The Development of Thai Writing Communication for Secondary Students in the Non-Formal and Informal Education Center by Using Mind Mapping and Drills. J Roi Et [internet]. 2019 Dec. 17 [cited 2026 Aug. 31];13(3):3-9. available from: https://so03.tci-thaijo.org/index.php/reru/article/view/192136