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, dec. 2020. ISSN 2599-2716. Available at: <https://journal.umg.ac.id/index.php/jtiee/article/view/2150>. Date accessed: 18 may 2024. doi: http://dx.doi.org/10.30587/jtiee.v4i2.2150.