RETNAWATI, Heri. HAMBATAN GURU MATEMATIKA SEKOLAH MENENGAH PERTAMA DALAM MENERAPKAN KURIKULUM BARU. Jurnal Cakrawala Pendidikan, [S. l.], v. 34, n. 3, 2016. DOI: 10.21831/cp.v3i3.7694. Disponível em: https://journal.uny.ac.id/index.php/cp/article/view/7694. Acesso em: 19 may. 2025.