Nguyen, Tien Thi Kieu, Duan Nguyen, and Thuy Thi Da Dang. 2026. “Procedure for generating competency in exploring the living world for high school students in the Vietnamese Mekong Delta”. Kasetsart Journal of Social Sciences 47 (2):470217. https://so04.tci-thaijo.org/index.php/kjss/article/view/290331.