AGUSTYANINGRUM, Nina.
 MENGEMBANGKAN KETERAMPILAN BERPIKIR TINGKAT TINGGI DALAM PEMBELAJARAN MATEMATIKA SMP.
<strong>PYTHAGORAS: JURNAL PROGRAM STUDI PENDIDIKAN MATEMATIKA</strong>, [S.l.], v. 4, n. 1, apr. 2015.
ISSN 2615-7926.
Available at: &lt;<a href="https://www.journal.unrika.ac.id/index.php/jurnalphythagoras/article/view/567" target="_new">https://www.journal.unrika.ac.id/index.php/jurnalphythagoras/article/view/567</a>&gt;. Date accessed: 12 feb. 2026.
doi: <a href="https://doi.org/10.33373/pythagoras.v4i1.567">https://doi.org/10.33373/pythagoras.v4i1.567</a>.