The Effect of a Crude Palm Oil–Derived Hybrid Coolant on the Corrosion Behavior of SPCC-Based Electro-Galvanized Steel. JTMMX [Internet]. 2026 Feb. 28 [cited 2026 Apr. 4];6(2):97-110. Available from: https://journal.ubpkarawang.ac.id/index.php/JTMMX/article/view/11226