Paisan MALANGTUPTHONG และ Wasutida NURITTAMONT;Bordin PHAYAPHROM. (2022) FACTORS INFLUENCING MATHEMATICAL PROBLEM-SOLVING COMPETENCY: A CASE STUDY ON HIGH SCHOOL STUDENTS. <i>PSAKU International Journal of Interdisciplinary Research</i>, <i>11</i>(2), 1-18.Paisan MALANGTUPTHONG และ Wasutida NURITTAMONT;Bordin PHAYAPHROM. "FACTORS INFLUENCING MATHEMATICAL PROBLEM-SOLVING COMPETENCY: A CASE STUDY ON HIGH SCHOOL STUDENTS". PSAKU International Journal of Interdisciplinary Research 11 (2022):1-18.Paisan MALANGTUPTHONG และ Wasutida NURITTAMONT;Bordin PHAYAPHROM. FACTORS INFLUENCING MATHEMATICAL PROBLEM-SOLVING COMPETENCY: A CASE STUDY ON HIGH SCHOOL STUDENTS. PSAKU International Journal of Interdisciplinary Research:ม.ป.ท. 2022.