M. H. Ahmad and  A. A. A. Jamil and  H. Ahmad and  M. A. M. Piah and  A. Darus and  Y. Z. Arief and  N. Bashir,  Oil Palm Empty Fruit Bunch as a New Organic Filler for Electrical Tree Inhibition.   journal   = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2012, vol. 62(2). 197 - 202
    [viewed 27 October 2021]. Available from: https://publications.waset.org/pdf/14632.