Tiensriphum, J., and J. Jaisaardsuetrong. “THE EFFECTIVENESS OF THE NEW MODIFIED EULER METHOD”. Srinakharinwirot University Journal of Sciences and Technology, vol. 16, no. 31, January-June, Apr. 2024, pp. 1-13, Article 253650, https://ph02.tci-thaijo.org/index.php/swujournal/article/view/253650.