1.
Wansudol S. Constructivist Online Lesson Model to Enhance Critical Thinking of Upper Secondary Students. edjour_stou [internet]. 2019 Jul. 8 [cited 2026 Sep. 28];12(1):211-27. available from: https://so05.tci-thaijo.org/index.php/edjour_stou/article/view/198460