Napitupulu, CitraRatna, Mindo Hotmaida Sinambela, Sutarman Borean, Christine M. Rumpaisum, and Marlince Siep. “PENDAMPINGAN BELAJAR OPERASI HITUNG DASAR MATEMATIKA MENGGUNAKAN METODE JARIMATIKA”. Multidisciplinary Indonesian Center Journal (MICJO) 2, no. 1 (January 30, 2025): 582–590. Accessed August 15, 2025. https://e-jurnal.jurnalcenter.com/index.php/micjo/article/view/450.