Pitriyani, Pitriyani, Rostina Sundayana, and Iyam Maryati. 2024. “Efektivitas Model Problem-Based Learning Terhadap Kemampuan Spasial Matematis Siswa”. Plusminus: Jurnal Pendidikan Matematika 4 (2):347-56. https://doi.org/10.31980/plusminus.v4i2.2203.