GABRIEL GLORIA LUMENTUT; ORBANUS NAHARIA; FERNY TUMBEL. Application Of The Problem-Based Learning Model To Improve Learning Outcomes Of Class X Biology Students At SMA Negeri 2 Tondano. Konstanta : Jurnal Matematika dan Ilmu Pengetahuan Alam, [S. l.], v. 1, n. 2, p. 59–67, 2023. DOI: 10.59581/konstanta-widyakarya.v1i2.672. Disponível em: https://ifrelresearch.org/index.php/konstanta-widyakarya/article/view/672. Acesso em: 22 nov. 2024.