Berdiev U. T., Sulaymonov U. B., Hasanov F. F., and Karshiyev K. T. “ENERGY-SAVING MATERIALS FOR ELECTRICAL ENGINEERING”. Galaxy International Interdisciplinary Research Journal 10, no. 5 (May 19, 2022): 444–448. Accessed January 9, 2025. https://giirj.com/index.php/giirj/article/view/3219.