Rendy Nusa Rosso13.01.53.0117. “SISTEM PRESENSI MENGGUNAKAN GLOBAL POSITIONING SYSTEM BERBASIS ANDROID”. Information Technology and Telematics 7, no. 2 (October 27, 2017). Accessed November 23, 2024. https://www.unisbank.ac.id/ojs/index.php/fti3/article/view/5450.