Bunprasanrit, C., Ugsonkid, S., & Tangkawsakul, S. (2024). THE STUDY OF HIGH SCHOOL STUDENTS’ MATHEMATICAL COMPETENCY ON INTEREST AND TIME VALUE OF MONEY BY TEACHING THROUGH PROBLEM SOLVING. Journal of Education and Innovation, 26(4), 116–129. retrieved from https://so06.tci-thaijo.org/index.php/edujournal_nu/article/view/270585