@article{ijtech-7707, title={Comparative Study on the Performance of Ester Oil for Transformer Retrofilling}, author={David Silalahi,Heri Hermansyah,Patrick Cognet}, volume={16}, number={5}, year={2025}, month={Sep}, pages={1752-1771}, DOI={https://doi.org/10.14716/ijtech.v16i5.7707}, journal={International Journal of Technology}, ISSN={2087-2100}}