RAFYANSA PAPUNAS; ORBANUS NAHARIA; MARIANA RENGKUAN. Problem-Based Learning Model: An Effort To Improve Student Learning Outcomes In Class XI SMA Negeri 2 Tondano. Konstanta : Jurnal Matematika dan Ilmu Pengetahuan Alam, [S. l.], v. 1, n. 4, p. 10–21, 2023. DOI: 10.59581/konstanta.v1i4.1387. Disponível em: https://ifrelresearch.org/index.php/konstanta-widyakarya/article/view/1387. Acesso em: 22 nov. 2024.