INDAH PURBA; FAJRI; AYU MELIA; CHERLY; EGA; ERWIZA; SUARMAN; ERAWATI. Peningkatan Hasil Belajar Kelas XI Mengenai Kebijakan Fiskal Melalui Metode Problem Based Learning (PBL) di SMAN 15 Pekanbaru. Jurnal Ilmu Pendidikan dan Sosial, [S. l.], v. 4, n. 2, p. 120–127, 2025. DOI: 10.58540/jipsi.v4i2.878. Disponível em: http://putrapublisher.org/index.php/jipsi/article/view/878. Acesso em: 17 may. 2026.