KARMIATI, Elisa; MUZAKI, Ahmad; SABRUN, Sabrun. Peningkatan Pemahaman Konsep Matematis melalui Model Kooperatif Tipe Pair Check pada Pertidaksamaan Linier Dua Variabel. Empiricism Journal, [S. l.], v. 7, n. 2, p. 1590–1599, 2026. DOI: 10.36312/ej.v7i2.5731. Disponível em: https://journal-center.litpam.com/index.php/empiricism/article/view/5731. Acesso em: 25 jul. 2026.