Klamthap, Khanittha, and Kanchana Witchayapakorn. “The Development of Thai Literature Learning Achievement in ‘The Royal Guidance’ Using Cooperative Learning Integrated Reading and Composition (CIRC) Technique for Matthayomsuksa 3 Students”. Ratchaphruek Journal 18, no. 2 (August 13, 2020): 18–25. accessed August 26, 2026. https://so05.tci-thaijo.org/index.php/Ratchaphruekjournal/article/view/240980.