Damayanti H, Winata R, Friantini RN. Mathematical Communication Skills in Terms of Self-Confidence of Grade XI Students at SMA Negeri 3 Palangka Raya . JPn [Internet]. 30 Juni 2025 [dikutip 25 Oktober 2025];26(1):83-9. Tersedia pada: https://e-journal.upr.ac.id/index.php/JPN/article/view/22225