Valles A, Noriega S, Sanchez J, Martinez E, Salinas J. Six Sigma Improvement Project for Automotive Speakers in an Assembly Process. Int J Ind Eng [Internet]. 2009 Aug. 14 [cited 2024 Nov. 25];16(3):182-90. Available from: https://ijietap.journals.publicknowledgeproject.org/index.php/ijie/article/view/264