Saragih, A., & Simangunsong, L. F. (2026). A Hybrid Regression–Fuzzy Framework for Climate Impact Assessment Using Primary energy consumption and CO₂ Emissions. EduMatSains : Jurnal Pendidikan, Matematika Dan Sains, 11(2), 165–178. https://doi.org/10.33541/edumatsains.v11i2.8769