Sophan, Athisamai, and Chaiyapon Thongchaisuratkrul. “An Enhancement of Lighting System Energy Efficiency Using an Automatic Light Dimming Control”. Applied Science and Engineering Progress 11, no. 2 (June 7, 2018): 93–101. accessed October 9, 2026. https://ph02.tci-thaijo.org/index.php/ijast/article/view/211436.