SIBARANI, Jenny Derfia; 						GUSMANIA, Yesi; 						HANGGARA, Yudhi.
 ANALISIS KEMAMPUAN PEMAHAMAN KONSEP MATEMATIS SISWA DALAM MATERI TRIGONOMETRI KELAS X IPS 2  SMAN 17 BATAM.
<strong>Cahaya Pendidikan</strong>, [S.l.], v. 6, n. 2, p. 128-138, jan. 2021.
ISSN 2655-9412.
Available at: &lt;<a href="https://journal.unrika.ac.id/index.php/journalcahayapendidikan/article/view/2794" target="_new">https://journal.unrika.ac.id/index.php/journalcahayapendidikan/article/view/2794</a>&gt;. Date accessed: 11 feb. 2026.
doi: <a href="https://doi.org/10.33373/chypend.v6i2.2794">https://doi.org/10.33373/chypend.v6i2.2794</a>.