Astuti, A. P., Harianto, N. and Wijayanti, Y. (2024) “Problematika Pembelajaran Matematika Materi Sudut Siswa Kelas V SD Negeri 011 Sorek Satu”, Journal of Development Education and Learning (JODEL), 2(2), pp. 161–167. doi: 10.70437/jodel.v2i2.74.