Alda, M., D. Laily, D. Purwani, and N. Harahap. “Perancangan Aplikasi Sistem Informasi Absensi Online Berbasis Mobile (Studi Kasus : SMA Negeri 1 Dolok Masihul)”. MODELING: Jurnal Program Studi PGMI, Vol. 10, no. 4, Dec. 2023, pp. 800-9, doi:https://doi.org/10.69896/modeling.v10i4.1504. Accessed 19 Mar. 2025.