Lapi D, Prayitno G. ABSENSI PEGAWAI BERBASIS ANDROID PADA SD BHAKTI MANDALA NABIRE MENGGUNAKAN METODE WATERFALL. JOISM [Internet]. 2023Jul.6 [cited 2024Nov.13];5(1):84 - 88. Available from: https://jurnal.amikom.ac.id/index.php/joism/article/view/1119