Angellinnov, Fiona, Achmad Subhan, Bambang Priyono, and Anne Zulfia Syahrial. 2025. “Optimization of NMC811 Synthesis via Oxalate Coprecipitation Method for Lithium-Ion Battery Cathode”. Jurnal Metalurgi 39 (2):79-88. https://doi.org/10.55981/metalurgi.2024.759.