Rahmawati, Fitriana. “PENGARUH MODEL PEMBELAJARAN CO-OP CO-OP TERHADAP KEMAMPUAN KOMUNIKASI MATEMATIKA SISWA KELAS VIII”. Epsilon: Jurnal Pendidikan Matematika 3, no. 2 (April 20, 2022). Accessed February 7, 2026. https://jurnal2.stkippgribl.ac.id/index.php/epsilon/article/view/588.