ASMAUN, Asmaun. Analisis Tingkat Berpikir Geometri Mahasiswa dalam Pemecahan Masalah Berdasarkan Teori Van Hiele pada Mata Kuliah Geometri Dasar . Venn: Journal of Sustainable Innovation on Education, Mathematics and Natural Sciences, [S. l.], v. 4, n. 3, p. 378–396, 2025. DOI: 10.53696/venn.v4i3.353. Disponível em: https://journal.web.id/journals/venn/article/view/353. Acesso em: 7 oct. 2026.