YUSUELI HULU. Upaya Meningkatkan Hasil Belajar Matematika Siswa melalui Model Pembelajaran Problem Based Learning (PBL) terhadap Siswa Kelas VII SMPN 3 Boronadu. Jurnal Pengabdian Masyarakat dan Riset Pendidikan, [S. l.], v. 2, n. 3, p. 257–269, 2024. DOI: 10.31004/jerkin.v2i3.262. Disponível em: https://jerkin.org/index.php/jerkin/article/view/262. Acesso em: 19 apr. 2026.