NAFELIA, Agustin. MENINGKATKAN KEMAMPUAN PEMECAHAN MASALAH MATEMATIKA MELALUI PROBLEM BASED LEARNING (PBL) DENGAN BANTUAN LKPD DI SMKN 3 KOTA BLITAR SECARA DARING. JTIEE (Journal of Teaching in Elementary Education), [S. l.], v. 4, n. 2, p. 1–12, 2020. DOI: 10.30587/jtiee.v4i2.2150. Disponível em: https://journal.umg.ac.id/index.php/jtiee/article/view/2150. Acesso em: 18 jun. 2025.