Rohmat, Nur, Jon Affi, Gunawarman, Murni Handayani, and Yuli Yetri. 2026. “Synthesis of Graphene-Like Carbon from Coconut Shell and Electrical Conductivity Properties”. Piston: Journal of Technical Engineering 9 (2):90-93. https://doi.org/10.32493/pjte.v9i2.57489.