SUPANDI, Supandi. MODEL PEMBELAJARAN PROBLEM BASED LEARNING MOTIVASI BELAJAR DAN PENINGKATAN PRESTASI BELAJAR MATA PELAJARAN EKONOMI SMA. Jurnal Penelitian dan Pendidikan IPS, [S. l.], v. 10, n. 3, p. 379–388, 2017. Disponível em: http://ejournal.unikama.ac.id/index.php/JPPI/article/view/1689. Acesso em: 22 nov. 2024.