Wetchapun, P. (2023) “Development of the Polynomial Module in Mathematics for Mattayomsuksa One Students”, Journal of Advanced Development in Engineering and Science. Babgkok, Thailand, 3(8), pp. 11–22. available at: https://ph03.tci-thaijo.org/index.php/pitjournal/article/view/808 (accessed: 26 August 2026).