Moayed Tawfiq, R., and D. Najem Saleh. “Role of Void Orientation and Shape on The Electric Field Distortion in High Voltage Cable”. Al-Rafidain Engineering Journal (AREJ), vol. 27, no. 1, Mar. 2022, pp. 73-80, doi:10.33899/rengj.2022.132192.1142.