MUHSON, Ali. Implementasi Problem-Based Learning dalam Pembelajaran Kewirausahaan. Jurnal Ekonomi dan Pendidikan, [S. l.], v. 2, n. 1, 2012. DOI: 10.21831/jep.v2i1.655. Disponível em: https://journal.uny.ac.id/index.php/jep/article/view/655. Acesso em: 13 may. 2025.