STOJCE ILCEV, Dimov. Architecture of African satellite augmentation system (ASAS) for Africa and middle east. International Journal of Engineering and Technology, [S. l.], v. 8, n. 4, p. 567–571, 2019. DOI: 10.14419/ijet.v8i4.30005. Disponível em: https://mail.sciencepubco.com/index.php/IJET/article/view/30005.. Acesso em: 13 may. 2025.