Pengaruh Model Pembelajaran Problem Based Learning Dengan Media Berbasis Power Point di Masa Pandemi Covid 19 terhadap Hasil Belajar Siswa Pada Pembelajaran IPA Biologi di SMP. SCIENING : Science Learning Journal, [S. l.], v. 3, n. 1, p. 22 27, 2022. DOI: 10.53682/slj.v3i1.1294. Disponível em: https://ejurnal.unima.ac.id/index.php/sciening/article/view/1294. Acesso em: 25 feb. 2026.