MURNAKA, Nerru Pranuta; SATRIA, Satria; HARYANTI, Haryanti; INDIRA, Elizabeth Wahyu Margareth. Problem Based Learning Learning Model for Improving The Mathematical Problem Solving Ability of Grade VIII Students of SMPN 1 Damar. Mathline : Jurnal Matematika dan Pendidikan Matematika, [S. l.], v. 8, n. 1, p. 234–245, 2023. DOI: 10.31943/mathline.v8i1.360. Disponível em: https://mathline.unwir.ac.id/index.php/Mathline/article/view/360. Acesso em: 7 jun. 2025.