Budiman, N. et al. 2026. Quality Analysis Of Fermented Virgin Coconut Oil (VCO) By Purication Using Silica Slag Nickel By Filtration. Hydrogen: Jurnal Kependidikan Kimia. 14, 2 (Apr. 2026). DOI:https://doi.org/10.33394/hjkk.v14i2.20189.