SETYAWAN, D. S. Peningkatkan Motivasi Belajar Ekonomi Melalui Model Problem based learning Berbantuan LKPD pada Kelas X SMA Negeri 3 Ketapang. Jurnal Penelitian Inovatif, [S. l.], v. 2, n. 3, p. 543–558, 2023. DOI: 10.54082/jupin.112. Disponível em: https://www.jurnal-id.com/index.php/jupin/article/view/112. Acesso em: 21 jul. 2025.