Astuti, Artika Puji, Nina Harianto, and Yulia Wijayanti. 2024. “Problematika Pembelajaran Matematika Materi Sudut Siswa Kelas V SD Negeri 011 Sorek Satu”. Journal of Development Education and Learning (JODEL) 2 (2):161-67. https://doi.org/10.70437/jodel.v2i2.74.