Sunarya, Po, Erick Febriyanto, and Jenny Januarini. “Aplikasi Mobile Absensi Karyawan Dan Pengajuan Cuti Berbasis GPS”. CCIT (Creative Communication and Innovative Technology) Journal 12, no. 2 (August 19, 2019): 241-247. Accessed January 19, 2025. https://ejournal.raharja.ac.id/index.php/ccit/article/view/695.