Abdurrahim, M. Sofa, et al. “Penggunaan Model Problem Based Learning (PBL) Berbasis Realistic Mathematics Education Terhadap Pemahaman Konsep Pecahan Pada Siswa SD”. Journal of Authentic Research, vol. 4, no. Special Issue, Nov. 2025, pp. 1284-92, https://doi.org/10.36312/jar.v4iSpecial Issue.3472.