ZAHRA, M.; HANDAYANI, D. Implementasi Model Problem Based Learning terhadap Hasil Belajar Materi Perubahan Lingkungan (Studi Kasus: Siswa Kelas X SMA Swasta Pertiwi Medan). Jurnal Pelita: Jurnal Pembelajaran IPA Terpadu, [S. l.], v. 5, n. 2, p. 618–628, 2025. DOI: 10.54065/pelita.5.2.2025.996. Disponível em: https://pusdig.my.id/pelita/article/view/996. Acesso em: 22 sep. 2026.