PENERAPAN PROBLEM BASED LEARNING PADA MATERI BANGUN RUANG UNTUK MENINGKATKAN HASIL BELAJAR SISWA KELAS VII SMP NEGERI 1 MAOSPATI. Journal of Mathematics Education Research, [S. l.], v. 2, n. 1, p. 23–30, 2023. Disponível em: https://journalng.uwks.ac.id/jmer/article/view/88.. Acesso em: 22 nov. 2024.