KOLY, Retno Widyawati; TOKAN, Moses Kopong; LALA, Sofia G. Un. PENINGKATAN HASIL BELAJAR SISWA TENTANG SUMBER DAN BENTUK ENERGI MELALUI MODEL PROBLEM BASED LEARNING  DI KELAS III SD GMIT 1 OESAO KABUPATEN KUPANG. SINERGI : Jurnal Riset Ilmiah, [S. l.], v. 1, n. 12, p. 1168–1175, 2024. DOI: 10.62335/an4bac31. Disponível em: https://manggalajournal.org/index.php/SINERGI/article/view/577.. Acesso em: 17 may. 2026.