Alobaidly, Ali. “DESIGN OF DC CHOPPER CONTROL CIRCUIT”. International Journal of Engineering Technologies and Management Research 8, no. 5 (June 2, 2021): 29–38. Accessed July 23, 2024. https://granthaalayahpublication.org/ijetmr-ojms/ijetmr/article/view/IJETMR21_A05_2587.