โลหา พัทฐรินทร์, and จงกลกลาง สิรินาถ. “The development of assertive behavior and creative thinking of early childhood students by STEM Education”. Ratchaphruek Journal 17, no. 1 (February 28, 2019): 121–128. accessed August 26, 2026. https://so05.tci-thaijo.org/index.php/Ratchaphruekjournal/article/view/175226.