Uddin, Sohel, Hussain Shareef, Azah Mohamed, and M A Hannan. “Design the Voltage Acceptability Curves for Energy Efficient Led Lamps”. Journal of Asian Scientific Research 2, no. 11 (November 15, 2012): 711–717. Accessed April 2, 2025. https://archive.aessweb.com/index.php/5003/article/view/3418.