Eliva Sukma Cipta et al. 2024. Hasil Belajar Operasi Hitung Bilangan Bulat Negatif Siswa Sekolah Dasar Melalui Pendekatan Realistic Mathematics Education. Journal of Teacher Training and Educational Research. 1, 3 (Apr. 2024), 76–80. DOI:https://doi.org/10.71280/jotter.v1i3.254.