Yosefa Rahayaan, et al. “Application Of The Problem Based Learning Model To Improve Student Learning Outcomes In Class VII Of SMP Negeri 8 Kei Besar On Animal Classification Material”. Algoritma : Jurnal Matematika, Ilmu Pengetahuan Alam, Kebumian Dan Angkasa, vol. 2, no. 3, Apr. 2024, pp. 12-19, doi:10.62383/algoritma.v2i3.37.