SITORUS, H.; SIREGAR, N. H. Studi Literatur Penerapan Model Pembelajaran Problem Based Learning Untuk Meningkatkan Kemampuan Pemecahan Masalah Siswa. Jurnal Adijaya Multidisplin, [S. l.], v. 1, n. 01, p. 95–102, 2023. Disponível em: https://e-journal.naureendigition.com/index.php/jam/article/view/155. Acesso em: 26 mei. 2026.