BANYAL, N. Model Problem Based Learning Meningkatkan Hasil Belajar Siswa pada Materi Indeks Harga dan Inflasi Siswa SMA. Journal for Lesson and Learning Studies, [S. l.], v. 4, n. 2, p. 189–194, 2021. DOI: 10.23887/jlls.v4i2.38194. Disponível em: https://ejournal.undiksha.ac.id/index.php/JLLS/article/view/38194. Acesso em: 26 apr. 2024.