Tung, Ngo, Le Phuong, Nguyen Huy, Nguyen Phong, and Tuyen Nguyen. “An Novel Approach to Improve the PF and Reduce THD for Two-Stage LED Driver”. VNUHCM Journal of Engineering and Technology 2, no. 1 (August 29, 2019): 33-45. Accessed April 7, 2026. https://et.vnuhcmjournal.com.vn/index.php/et/article/view/446.