RAHARJO, Heru; SOENARTO, Soenarto. Pengaruh metode problem-based learning dan direct teaching terhadap hasil belajar alat ukur. Jurnal Pendidikan Vokasi, [S. l.], v. 5, n. 2, p. 171–182, 2015. DOI: 10.21831/jpv.v5i2.6383. Disponível em: https://journal.uny.ac.id/index.php/jpv/article/view/6383. Acesso em: 8 may. 2025.