ALI, S.; KASSA, T.; BEHAILU, G.; ASFAW, Y. The Study of TEC Variations on Some Special Days (Solstices, Equinoxes and Days When the Sun is Overhead) at Bahir Dar-Station. Abyssinia Journal of Science and Technology, [S. l.], v. 9, n. 1, p. 30–39, 2024. DOI: 10.20372/ajst.2024.9.1.829. Disponível em: https://abjol.org.et/index.php/ajst/article/view/829. Acesso em: 17 jul. 2026.