Kumar, Rohit, Abdul Wahab, and Wajid Ali. “Design and Implementation of Pumped-Hydro-Compressed-Air Energy Storage System”. International Journal of Electrical Engineering & Emerging Technology 1, no. 1 (December 5, 2018). Accessed June 13, 2026. https://oldarchive.ijeeet.com/index.php/ijeeet/article/view/1.