Chaveeain, Kannika, and Arun Suikraduang. “Improving Learning Achievement on Thai Culture and Culture of Countries in Southeast Asia Through Collaborative Learning Activities by GI technique for Secondary Students”. Journal for Developing the Social and Community 13, no. 2 (July 18, 2026): 713–736. accessed September 23, 2026. https://so03.tci-thaijo.org/index.php/rdirmu/article/view/302058.