Saefurrohman, A., R. Mubarok, and F. Mubarok. “EVALUATION OF SF6 GAS QUALITY TEST AT THE 150 KV KALIBAKAL SUBSTATION”. Journal of Electronic and Electrical Power Applications, vol. 5, no. 1, Aug. 2025, pp. 327-33, doi:10.58436/jeepa.v5i1.2292.