Nasser B. Alsammak, Ahmed, and Sinan M. Alkahdely. 2023. “A Review on Power System Voltage Stability With Limitation of an On Load Tap Changing Transformer”. Al-Rafidain Engineering Journal (AREJ) 28 (1):181-92. https://doi.org/10.33899/rengj.2022.136088.1202.