Haq, Khaldun Qureshi-. “Design and Evaluation of Low-Cost Uninterruptible Power Supply Systems for Residential Applications”. International Journal on Advanced Electrical and Computer Engineering 6, no. 1 (April 25, 2017): 7–12. Accessed October 24, 2026. https://journals.mriindia.com/index.php/ijaece/article/view/4324.