ตังนู ปวีณา, and ภิรมจิตรผ่อง เสนอ. 2021. “A Development of an Ability in Solving the Mathematical Numbers and Numerals by Using the Four Noble Truth- Based Approach for Mattayom Suksa One Students of Benjalukpittaya School under the Secondary Educational Service Area Office 28”. Ubon Ratchathani Journal of Research and Evaluation 3 (2):48-54. https://so06.tci-thaijo.org/index.php/ubonreseva/article/view/250945.