LINDA, Linda; 						BERNARD, Martin; 						FITRIANI, Nelly.
 Analisis Kesulitan Siswa SMP Kelas VIII pada Materi Segiempat dan Segitiga Berdasarkan Tahapan Berpikir Van Hiele.
<strong>Journal of Medives : Journal of Mathematics Education IKIP Veteran Semarang</strong>, [S.l.], v. 4, n. 2, p. 233-242, july 2020.
ISSN 2549-5070.
Available at: &lt;<a href="https://e-journal.ivet.ac.id/index.php/matematika/article/view/1066" target="_new">https://e-journal.ivet.ac.id/index.php/matematika/article/view/1066</a>&gt;. Date accessed: 19 may 2025.
doi: <a href="https://doi.org/10.31331/medivesveteran.v4i2.1066">https://doi.org/10.31331/medivesveteran.v4i2.1066</a>.