WLAŹ, Mateusz; KOZIEŁ, Grzegorz. Verification of the precision of GSM and GPS signals available on mobile devices. Journal of Computer Sciences Institute, [S. l.], v. 15, p. 143–149, 2020. DOI: 10.35784/jcsi.2046. Disponível em: https://ph.pollub.pl/index.php/jcsi/article/view/2046. Acesso em: 4 may. 2024.