ULPAH, Maria. Analisis Tahap Berpikir Mahasiswa STAIN Purwokerto pada Materi Geometri. INSANIA : Jurnal Pemikiran Alternatif Kependidikan, [S. l.], v. 15, n. 2, p. 245–255, 2018. DOI: 10.24090/insania.v15i2.1528. Disponível em: https://ejournal.uinsaizu.ac.id/index.php/insania/article/view/1528. Acesso em: 4 jul. 2025.