MINH CHAU, Chu; THI QUYNH, Vương; LE THUY, Tran; HOANG VU, Nguyen. USING GEOGEBRA FOR TEACHING PROBLEMS ON FIXED POINTS OF FAMILIES OF LINES AND CIRCLES IN SECONDARY SCHOOL GEOMETRY. Journal of Science Educational Science, [S. l.], v. 69, n. 5B, p. 130–136, 2024. DOI: 10.18173/2354-1075.2024-0141. Disponível em: https://hnuejs.edu.vn/es/article/view/714. Acesso em: 14 dec. 2025.