PITRIYANI, Pitriyani; SUNDAYANA, Rostina; MARYATI, Iyam. Efektivitas Model Problem-Based Learning terhadap Kemampuan Spasial Matematis Siswa. Plusminus: Jurnal Pendidikan Matematika, [S. l.], v. 4, n. 2, p. 347–356, 2024. DOI: 10.31980/plusminus.v4i2.2203. Disponível em: https://journal.institutpendidikan.ac.id/index.php/plusminus/article/view/2203. Acesso em: 5 feb. 2025.