NGUYEN THANH, Dung et al. Ionospheric quasi-biennial oscillation of the TEC amplitude of the equatorial ionization anomaly crests from continuous GPS data in the Southeast Asian region. <b>Vietnam Journal of Earth Sciences</b>, <i>[S. l.]</i>, v. 45, n. 1, p. 1–18, 2022. DOI: 10.15625/2615-9783/17490. Disponível em: http://vjes.vast.vn/jse/article/view/17490. Acesso em: 8 nov. 2025.