PENGARUH MODEL PROBLEM BASED LEARNING BERBANTUAN EKSPERIMEN SEDERHANA TERHADAP KEMAMPUAN BERPIKIR KRITIS MATA PELAJARAN IPAS KELAS V DI SD NEGERI 1 KALIUNTU. Widyajaya: Jurnal Mahasiswa Prodi PGSD, [S. l.], v. 5, n. 1, p. 115–126, 2025. Disponível em: https://journal.mpukuturan.ac.id/index.php/widyajaya/article/view/1318.. Acesso em: 15 nov. 2025.