PENINGKATAN HASIL BELAJAR MENGENAI MATERI KELANGKAAN EKONOMI MELALUI METODE PROBLEM BASED LEARNING PBL KELAS X IIS SMA NEGERI 17 HALMAHERA SELATAN. Literacy: Jurnal Pendidikan Ekonomi, [S. l.], v. 4, n. 2s, p. 12 17, 2025. DOI: 10.53682/jpeunima.v4i2s.8098. Disponível em: https://ejurnal.unima.ac.id/index.php/jpe-unima/article/view/8098. Acesso em: 25 mar. 2026.