“PENGARUH PENERAPAN MODEL PEMBELAJARAN CONNECTING, ORGANIZING, REFLECTING, EXTENDING (CORE) TERHADAP KEMAMPUAN PEMECAHAN MASALAH MATEMATIKA SISWA KELAS VIII”, epsilon, vol. 1, no. 2, pp. 23–34, Feb. 2022, Accessed: Nov. 12, 2025. [Online]. Available: https://jurnal.stkippgribl.ac.id/index.php/epsilon/article/view/236