Al Khdhairi,Y. Mustafa Sadeq, and Vural,A. M. . "Large-scale Battery Energy Storage System Integration to Power Systems with High Penetration of Renewable Energy Sources for Regulation Services: A Critical Review", Journal of Renewable Energy and Environment, 12, 2, 2025, 1-28. doi: 10.30501/jree.2025.486400.2149