UPAYA MENINGKATKAN MOTIVASI BELAJAR MATEMATIKA SISWA KELAS XII SMA YPPK TERUNA BAKTI MELALUI PENERAPAN MODEL PEMBELAJARAN COOPERATIVE LEARNING. Sindoro [Internet]. 2025 Dec. 15 [cited 2026 Oct. 2];18(2):3791-800. Available from: https://cibjournal.com/index.php/sindoro/article/view/3794