1.
Promtrud A, Vibulrangson S. Developing Learning Activities Using an Open Approach Together with Assessment for Learning to Promote Mathematical Competencies of Ninth Grade Students . EDUCU [Internet]. 2023 Dec. 30 [cited 2024 May 12];51(4):EDUCU5104010 (17 pages). Available from: https://so02.tci-thaijo.org/index.php/EDUCU/article/view/263415