Basil M. Saied, Prof., and Mr. Mohamad K. Shakfa. “Microprocessor-Based Controller for the Uninterruptible Power Supply Voltage Regulation”. Al-Rafidain Engineering Journal (AREJ) 13, no. 1 (March 28, 2005): 1–17. Accessed August 6, 2025. https://ojs.uomosul.edu.iq/index.php/arej/article/view/27117.