Shaikh, Kanwal Naz, and Imran Mustafa. “Design and Implementation of RFID and GSM Based Smart Prepaid Energy Meter”. International Journal of Electrical Engineering & Emerging Technology 4, no. SI 1 (February 18, 2021): 33–36. Accessed July 30, 2026. https://www.oldarchive.ijeeet.com/index.php/ijeeet/article/view/64.