Namprakai, Panrekha, and Amporn Makanong. “Instructional Guidelines for Promoting Innovative Thinking of Secondary School Student”. An Online Journal of Education 19, no. 1 (June 30, 2024): OJED1901004 (15 pages). accessed August 26, 2026. https://so01.tci-thaijo.org/index.php/OJED/article/view/274294.