PENINGKATAN KOMUNIKASI MATEMATIS SISWA KELAS V SD NEGERI MIJEN 2 DITINJAU DARI KEAKTIFAN BELAJAR MELALUI MODEL PROJECT-BASED LEARNING. Sindoro: Cendikia Pendidikan, [S. l.], v. 18, n. 3, p. 2681–2690, 2026. Disponível em: https://cibjournal.com/index.php/sindoro/article/view/7211. Acesso em: 2 oct. 2026.