[1]
ศุภพิมลวรรณ ส., เจนจิต อ. and จตุรานนท์ ว. 2020. Development of the Mathematical Instructional Model Based on Constructivism in Developing Creative Problem-Solving Ability for the 8th Grade Students. Journal of Graduate School, Pitchayatat, Ubon Ratchathani Rajabhat University. 15, 2 (Aug. 2020), 189–199.