SUPRIYANTO, J.; MELYSIANA, V.; ROSIANA, A.; ERMAWATI, D. Efektivitas Model Problem Based Learning Berbantuan Media Bopus terhadap Kemampuan Pemecahan Masalah Matematis pada Siswa Sekolah Dasar. Journal of Science and Education Research, [S. l.], v. 4, n. 2, p. 36–42, 2025. DOI: 10.62759/jser.v4i2.265. Disponível em: http://jurnal.insanmulia.or.id/index.php/jser/article/view/265. Acesso em: 8 jun. 2026.