D. Ahmad, N., S. N.M. Zubir, S. S. Ramli, N. H. Ishak, W. S. Saidon, and NA. Salim6. 2018. “A Study of Palm Oil As an Insulating Medium”. International Journal of Engineering & Technology 7 (4.22): 17-20. https://doi.org/10.14419/ijet.v7i4.22.22182.