PENINGKATAN HASIL BELAJAR EKONOMI MELALUI METODE PROBLEM BASED LEARNING PBL SISWA KELAS XI DI SMA KATOLIK ATMAJAYA TOLITOLI. Literacy: Jurnal Pendidikan Ekonomi, [S. l.], v. 5, n. 1s, p. 170 175, 2025. DOI: 10.53682/jpeunima.v5i1s.8703. Disponível em: https://ejurnal.unima.ac.id/index.php/jpe-unima/article/view/8703. Acesso em: 4 mar. 2026.