PUTRA, D. A.; MEIRZA NANDA FARADITA; DEWI MASYITA FARADILLAH. Problem-Based Learning (PBL) Instructional Materials for Enhancing Mathematics Learning Outcomes of Elementary School Students. Education and Human Development Journal, [S. l.], v. 8, n. 2, p. 1–9, 2023. DOI: 10.33086/ehdj.v8i2.5018. Disponível em: https://journal2.unusa.ac.id/index.php/EHDJ/article/view/5018. Acesso em: 20 may. 2024.