HERYANTO, C. MENINGKATKAN KEMAMPUAN SISWA MEMAHAMI MATERI SUMBER ENERGI MELALUI PENERAPAN PROBLEM BASED LEARNING (PBL): (Penelitian Tindakan Kelas Terhadap Siswa Kelas IV SD Negeri Mekarlaksana Semester Ganjil Tahun Pelajaran 2019/2020). JPG: JURNAL PENELITIAN GURU FKIP UNIVERSITAS SUBANG, [S. l.], v. 6, n. 1, p. 158–164, 2023. DOI: 10.35569/jpg.v6i1.1632. Disponível em: https://ejournal.unsub.ac.id/index.php/JPG/article/view/1632. Acesso em: 21 nov. 2024.