Negara, Yulistya, Syariffuddin Mahmudsyah, & Ade Kurniawan. " QUALITY ASSESSMENT OF SF6 INSULATION AT WARU 150 KV GIS COMPARTMENT USING PARTIAL DISCHARGE ION MOBILITY SPECTROMETER." Majalah Ilmiah Teknologi Elektro [Online], 7.2 (2008): n. pag. Web. 27 Oct. 2020