F. M. Wardhani, L. Chiuman, C. N. Ginting, and S. F. Ginting, “Role of Cystatin-C as Serum Biomarkers in Predicting Glomerular Function-Associated with Copper-Induced Acute Kidney Injury”, MKB, vol. 52, no. 1, pp. 16–21, Mar. 2020.