Phaiwanmankong C, Poonpaiboonpipat W. IMPLEMENTING MATHEMATICAL MODELING ACTIVITIES TO ENHANCE MATHEMATICAL PROBLEM-SOLVING AND REPRESENTATION ABILITIES IN STATISTICS (2) FOR GRADE 8 STUDENTS . JEI [internet]. 2026 Sep. 30 [cited 2026 Oct. 15];28(3):295242. available from: https://so06.tci-thaijo.org/index.php/edujournal_nu/article/view/295242