A. Hussein A, G. Jasim Y, S. Salih S. Effect of Industrial Pollution on Different Types of High Voltage Insulators. J. eng. sustain. dev. 2011;15(1):108-117. Accessed April 20, 2025. https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/1354