Nasution, M. H., Hardi, M. ., Widiyanto, A. ., E.Silalahi , E. T. M., & Wardani, O. K. (2026). Rapid Source Attribution of Illegal Crude Oil Dumping Using GC–FID Fingerprinting and Multivariate Analysis in the Rokan Field. CHEMICA: Jurnal Teknik Kimia, 13(1), 40–50. https://doi.org/10.26555/chemica.v13i1.526