TARIGAN, DAITIN, and PURTI MULIYATI NST. “PENGGUNAAN TEKNIK JARIMATIKA UNTUK MENINGKATKAN KETERAMPILAN BERHITUNG PESERTA DIDIK KELAS II SD NEGERI 101774 SAMPALI PERCUT SEI TUAN”. JURNAL HANDAYANI PGSD FIP UNIMED 1, no. 2 (September 4, 2014). Accessed January 31, 2025. http://103.242.233.34/index.php/handayani/article/view/1273.