KUSUMA, Wanto Wijaya; HAFIFI, Hafifi. Meningkatkan Prestasi dan Motivasi Belajar Melalui Model Pembelajaran Problem Based Learning (PBL) Dalam Pelajaran Ekonomi. Jurnal Inovasi Pendidikan MH Thamrin, [S. l.], v. 5, n. 2, p. 19–27, 2022. DOI: 10.37012/jipmht.v5i2.667. Disponível em: https://journal.thamrin.ac.id/index.php/jipmht/article/view/667. Acesso em: 3 jul. 2024.