ASTRIA AYU RAMADIANTI. Efektivitas Penerapan Model Pembelajaran Project Based Learning terhadap Kemampuan Aritmatika Siswa Sekolah Dasar. Multiverse: Open Multidisciplinary Journal, [S. l.], v. 4, n. 1, p. 22–27, 2025. DOI: 10.57251/multiverse.v4i1.1803. Disponível em: https://jurnal.medanresourcecenter.org/index.php/MULTIVERSE/article/view/1803. Acesso em: 11 mar. 2026.