info:oai:khub.utp.edu.my:20655info:ofi/fmt:xml:xsd:journalRaofNurliyana A.Raof, Nurliyana A.YunusRobiahYunus, RobiahRashidUmerRashid, UmerAzisNorhafizAzis, NorhafizYaakubZainiYaakub, Zaini261771 - 1778Effects of palm-based trimethylolpropane ester/mineral oil blending on dielectric properties and oxidative stability of transformer insulating liquidIEEE Transactions on Dielectrics and Electrical Insulation2019107098786article