Tâm, Đào Ngọc Hạnh, Hoàng Thái Lan, and Dương Văn Vinh. “A Comparison of Ionospheric Parameters Observed over Ho Chi Minh City With IRI-2007 Predictions”. Vietnam Journal of Earth Sciences 35, no. 3 (February 22, 2014): 258–264. Accessed April 25, 2024. https://vjs.ac.vn/index.php/jse/article/view/3697.