RAHAYU, Irmawati; PRASTOWO, Aang Yudho; NIAM, Fathul. Pengaruh Metode Jarimatika Terhadap Hasil Belajar pada Materi Perkalian Hitung Cepat Kelas II SD Laboratorium Universitas Nahdlatul Ulama Blitar. Patria Educational Journal (PEJ), [S. l.], v. 1, n. 2, p. 81–87, 2021. DOI: 10.28926/pej.v1i2.112. Disponível em: https://ojs.unublitar.ac.id/index.php/pej/article/view/112. Acesso em: 16 aug. 2026.