Shamsul Kahar, Muhammad Farid, and Roziah Aziz. “Optimal Performance of Pole Number Combination in Permanent Magnet Motor”. Evolution in Electrical and Electronic Engineering, vol. 5, no. 2, Nov. 2024, pp. 262-9, https://penerbit.uthm.edu.my/periodicals/index.php/eeee/article/view/17542.