ALBÁN G., Eduardo X.; ESTRELLA M., Diego A.; ARAUZ, Julio. Development of an application of Location Based Services for a cellular type network Global System for Mobile (GSM). ACI Avances en Ciencias e Ingenierías, [S. l.], v. 3, n. 1, 2011. DOI: 10.18272/aci.v3i1.61. Disponível em: https://revistas.usfq.edu.ec/index.php/avances/article/view/61. Acesso em: 20 apr. 2026.