The Effect of Realistic Mathemathic Education (RME) Assisted by Number Hours on Learning Achievement in The Summing Operations Material in Class I SDN Batulawang. Jurnal Sekolah Dasar, [S. l.], v. 5, n. 2, p. 67–74, 2020. DOI: 10.36805/jurnalsekolahdasar.v5i2.1065. Disponível em: https://journal.ubpkarawang.ac.id/index.php/PGSD/article/view/1065. Acesso em: 19 nov. 2025.