PENERAPAN MODEL PEMBELAJARAN PROBLEM BASED LEARNING (PBL) UNTUK MENINGKATKAN HASIL BELAJAR SISWA IPAS SDN 109 TUARA. JPPD: Jurnal Penelitian Pendidikan Dasar, [S. l.], v. 3, n. 02, p. 100–116, 2026. Disponível em: http://journal.lumiverapublishing.org/index.php/jppd/article/view/467. Acesso em: 8 sep. 2026.