YULIANTO, Budi. Teknologi Location Based Service (Global Positioning System) Pada Perangkat Mobile. ComTech: Computer, Mathematics and Engineering Applications, [S. l.], v. 1, n. 1, p. 61–74, 2010. DOI: 10.21512/comtech.v1i1.2168. Disponível em: https://journal.binus.ac.id/index.php/comtech/article/view/2168. Acesso em: 4 jul. 2025.