I Made, S. W., and F. Silitonga. “PEMANFAATAN SISTEM INFORMASI GEOGRAFIS DALAM PENGEMBANGAN SMART TOURISM BATAM PADA LOCATION BASED SERVICE BERBASIS ANDROID”. JURNAL ELEKTROSISTA, vol. 10, no. 2, June 2023, pp. 162-70, https://ojs.akmil.ac.id/index.php/jurnal-elektrosista/article/view/90.