“UPAYA MENINGKATKAN MOTIVASI BELAJAR MATEMATIKA SISWA KELAS XII SMA YPPK TERUNA BAKTI MELALUI PENERAPAN MODEL PEMBELAJARAN COOPERATIVE LEARNING”, Sindoro, vol. 18, no. 2, pp. 3791–3800, Dec. 2025, Accessed: Oct. 02, 2026. [Online]. Available: https://cibjournal.com/index.php/sindoro/article/view/3794