GUNAWAN, A. H.; LIMBONG, A. Prinsip Kerja dan Akurasi pada GPS. TeIKa, [S. l.], v. 1, n. 2, p. 40-46, 2008. DOI: 10.36342/teika.v1i2.102. Disponível em: https://jurnal.unai.edu/index.php/teika/article/view/102. Acesso em: 23 jan. 2022.