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<strong>PYTHAGORAS: JURNAL PROGRAM STUDI PENDIDIKAN MATEMATIKA</strong>, [S.l.], v. 9, n. 2, p. 173-181, oct. 2020.
ISSN 2615-7926.
Available at: &lt;<a href="https://www.journal.unrika.ac.id/index.php/jurnalphythagoras/article/view/2676" target="_new">https://www.journal.unrika.ac.id/index.php/jurnalphythagoras/article/view/2676</a>&gt;. Date accessed: 15 feb. 2026.
doi: <a href="https://doi.org/10.33373/pythagoras.v9i2.2676">https://doi.org/10.33373/pythagoras.v9i2.2676</a>.