Huynh, Huy Gia, and Trang Huynh Nguyen. “Education for Sustainable Development Awareness, Attitudes, and Actions: A Quantitative Study of In-Service Teachers in Vietnam”. Vietnam Journal of Education 10, no. 1 (May 30, 2026): 60–70. Accessed May 30, 2026. https://jcepp.org/index.php/journal/article/view/856.