Pengesanan TEC Ionosfera Dengan Teknologi GPS. Jurnal Teknologi, [S. l.], v. 28, n. 1, p. 57–65, 1998. DOI: 10.11113/jt.v28.1029. Disponível em: https://journals.utm.my/jurnalteknologi/article/view/1029.. Acesso em: 23 jul. 2024.