%T Effects of palm-based trimethylolpropane ester/mineral oil blending on dielectric properties and oxidative stability of transformer insulating liquid %V 26 %L scholars20655 %A Nurliyana A. Raof %A Robiah Yunus %A Umer Rashid %A Norhafiz Azis %A Zaini Yaakub %O Cited by: 23 %D 2019 %J IEEE Transactions on Dielectrics and Electrical Insulation %P 1771 - 1778 %I Institute of Electrical and Electronics Engineers Inc. %R 10.1109/TDEI.2019.008128 %N 6