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<strong>Journal of Medives : Journal of Mathematics Education IKIP Veteran Semarang</strong>, [S.l.], v. 3, n. 2, p. 251-259, july 2019.
ISSN 2549-5070.
Available at: &lt;<a href="https://e-journal.ivet.ac.id/index.php/matematika/article/view/875" target="_new">https://e-journal.ivet.ac.id/index.php/matematika/article/view/875</a>&gt;. Date accessed: 12 july 2025.
doi: <a href="https://doi.org/10.31331/medivesveteran.v3i2.875">https://doi.org/10.31331/medivesveteran.v3i2.875</a>.