NURYATMAN, P.; DEWI, C.; FITRIANI, D. PENINGKATAN KEMAMPUAN BERPIKIR KRITIS MELALUI MODEL PROBLEM BASED LEARNING (PBL) BERBASIS ETNOSAINS PADA MATERI SIFAT-SIFAT CAHAYA KELAS V SDN KLITIK 1 NGAWI. Sindoro: Cendikia Pendidikan, [S. l.], v. 8, n. 8, p. 31–40, 2024. DOI: 10.9644/sindoro.v8i8.7354. Disponível em: https://ejournal.warunayama.org/index.php/sindorocendikiapendidikan/article/view/7354. Acesso em: 3 aug. 2025.