Hayotullo G. Magdiev. “Development of a Pole-Changeable Winding With a Pole Ratio of 8 4 for Multi-Speed Motors”. PROBLEMS OF ENERGY AND SOURCES SAVING, no. 2 (February 21, 2026): 162–168. Accessed April 3, 2026. https://energy.tdtu.uz/index.php/journal/article/view/201.