Sudra Irawan. “APLIKASI WISATA BATAM MENGGUNAKAN LAYANAN LOCATION BASED SERVICE BERBASIS WEBGIS”. Teknomatika: Jurnal Informatika dan Komputer 10, no. 1 (May 24, 2020): 81–94. Accessed January 22, 2025. https://ejournal.unjaya.ac.id/index.php/teknomatika/article/view/476.