NGO, Minh Duc; NGUYEN, Thuy Trang. DESIGNING AND USING INTERACTIVE VIDEOS IN TEACHING “THREE CONIC SECTIONS”: A FLIPPED CLASSROOM MODEL. Ho Chi Minh City University of Education Journal of Science, [S. l.], v. 22, n. 5, p. 874–887, 2025. DOI: 10.54607/hcmue.js.22.5.4529(2025). Disponível em: https://journal.hcmue.edu.vn/index.php/hcmuejos/article/view/4529. Acesso em: 17 dec. 2025.