PENGARUH PEMBELAJARAN KOOPERATIF GROUP TO GROUP EXCHANGE DAN LKPD TERHADAP KEMAMPUAN KOMUNIKASI MATEMATIS. epsilon [Internet]. 2022 Feb. 7 [cited 2026 Apr. 23];1(2):35-40. Available from: https://jurnal.stkippgribl.ac.id/index.php/epsilon/article/view/237