Nouman, Danish, Mian Farhan Ullah, Syed Hammd Haider, and M. Bilal Khalid Keyani. “An Overview of Downhole Electrical Machines and Their Benefits”. International Conference on Contemporary Academic Research 1 (May 24, 2023): 219–225. Accessed May 19, 2024. https://as-proceeding.com/index.php/iccar/article/view/783.