LÊ CHÍNH; NGUYỄN KHẮC HIẾU; HOÀNG ĐỨC SINH. Case Study Applying Six Sigma to Reduce Defects of DC Recessed LED Downlight. Journal of Technical Education Science, [S. l.], v. 21, n. 03(V), p. 35–45, 2026. DOI: 10.54644/jte.2026.2105. Disponível em: https://jte.edu.vn/index.php/jte/article/view/2105. Acesso em: 10 sep. 2026.