Melina, Nora, and Masniladevi Masniladevi. 2020. “Pengaruh Model Problem Based Learning (PBL) Terhadap Hasil Belajar FBB Dan KPK Di Kelas IV SDN Gugus 5 Kecamatan Sutera”. Jurnal Pendidikan Tambusai 4 (3):2502-7. https://doi.org/10.31004/jptam.v4i3.736.