Febrina, Dewi Cahya. “Feasibility Test of Transformer Insulating Oil Lifetime Based on Breakdown Voltage (bdv) and Furan Analysis”. JEECS (Journal of Electrical Engineering and Computer Sciences) 7, no. 1 (June 30, 2022): 1177–1184. Accessed December 4, 2024. https://ejournal.ubhara.ac.id/jeecs/article/view/30.