Arisanti, Dewa Ayu Kade, Nyoman Dantes, and I Nengah Suastika. 2022. “Environmental Oriented Problem-Based Learning (PBL) Improves Learning Outcomes and Self-Efficacy of Students In Social Studies In Fifth-Grade Elementary Schools”. Journal for Lesson and Learning Studies 5 (3):377-84. https://doi.org/10.23887/jlls.v5i3.48537.