Keeratisuntorn, Suchon, and Pornpimol Sukavatee. “The Development of Multicultural Reading Materials based on Content and Language Integrated Learning for Thai Secondary School Students”. An Online Journal of Education 18, no. 2 (December 31, 2023): OJED–18. accessed August 26, 2026. https://so01.tci-thaijo.org/index.php/OJED/article/view/267364.