ghorbani pashakolaei, mehrdad, Mirzaie, Mohammad, seyyedbarzegar, seyyed meysam. “Flashover Voltage Assessment of Polymeric Insulators with Different Profiles under Fan-Shaped and Longitudinal Non-Uniform Pollutions and Environment Humidity Effects.” Nashriyyah -i Muhandisi -i Barq va Muhandisi -i Kampyutar -i Iran, vol. 18, no. 3, 2021, pp. 150-158.