Wahyu Pradana, Moch. Daffa. “Perancangan Aplikasi Presensi Karyawan Berbasis Web Menggunakan Algoritma Haversine”. Da’watuna: Journal of Communication and Islamic Broadcasting 4, no. 4 (June 1, 2024): 1573 –. Accessed March 11, 2026. http://journal-laaroiba.com/ojs/index.php/dawatuna/article/view/1974.