Murdiya, Fri, Firdaus, Tumpal Pardede, and Eddy Hamdani. “The Properties of Nitrogen Gas Breakdown Voltage under Direct Current Positive Polarity”. International Journal of Electrical, Energy and Power System Engineering 2, no. 2 (June 18, 2019): 7-10. Accessed April 20, 2024. https://ijeepse.id/journal/index.php/ijeepse/article/view/27.