Choi, Yoon Jung, Sujeong Lee, Eunsu Lee, Chanung Park, and Samgyu Park. “Happy Geoscience Edu: A new geoscience education system in the time of COVID-19”. Thai Geoscience Journal 3, no. 4 (July 15, 2022): 1–4. accessed December 10, 2025. https://ph03.tci-thaijo.org/index.php/TGJ/article/view/1796.