Integrated Science Learning Devices on Substances and Their Characteristics Material with Character Enrichment Through the Application of Problem-Based Learning. Integrated Science Education Journal, [S. l.], v. 4, n. 3, p. 90–95, 2023. DOI: 10.37251/isej.v4i3.691. Disponível em: https://cahaya-ic.com/index.php/ISEJ/article/view/691. Acesso em: 8 jun. 2026.