LAN, H. T.; HÀO, V.; VINH, D. V.; TÂM, Đào N. H. Predictions foF2 of equatorial ionosphere and applications for HF communication in Vietnam. Science of the Earth, [S. l.], v. 35, n. 2, p. 130–136, 2014. DOI: 10.15625/0866-7187/35/2/3657. Disponível em: https://vjs.ac.vn/index.php/jse/article/view/3657. Acesso em: 10 dec. 2022.