Tâm, Đào N.H., Lan, H.T. and Vinh, D.V. 2014. A comparison of ionospheric parameters observed over Ho Chi Minh City with IRI-2007 predictions. Vietnam Journal of Earth Sciences. 35, 3 (Feb. 2014), 258–264. DOI:https://doi.org/10.15625/0866-7187/35/3/3697.