Ehtisham Arshad, R. M. Larik, Syed Aqeel Haider, Attaullah Khidrani, Asad Amjad, Usman Humayun, Muhammad Rashid, Z. A. Arfeen, F. Areej, Ubedullah, and F. Khairiah. “Over-Voltage Protection Circuit for Tripping & Switching of 220V Appliances Using Relay Module and Python-Based Algo”. International Journal of Innovations in Science & Technology, vol. 7, no. 1, Feb. 2025, pp. 286-00, https://journal.50sea.com/index.php/IJIST/article/view/1140.