AGUSTYANINGRUM, Nina; 						SURYANTINI, Silfia.
 HUBUNGAN KEBIASAAN BELAJAR DAN KEPERCAYAAN DIRI  DENGAN HASIL BELAJAR MATEMATIKA SISWA  KELAS VIII SMP N 27 BATAM.
<strong>PYTHAGORAS: JURNAL PROGRAM STUDI PENDIDIKAN MATEMATIKA</strong>, [S.l.], v. 5, n. 2, may 2017.
ISSN 2615-7926.
Available at: &lt;<a href="https://www.journal.unrika.ac.id/index.php/jurnalphythagoras/article/view/470" target="_new">https://www.journal.unrika.ac.id/index.php/jurnalphythagoras/article/view/470</a>&gt;. Date accessed: 14 feb. 2026.
doi: <a href="https://doi.org/10.33373/pythagoras.v5i2.470">https://doi.org/10.33373/pythagoras.v5i2.470</a>.