IMPROVING CONSUMER SATISFACTION BY INTEGRATING ON SERVICE QUALITY AND LEAN SIX SIGMA METHODS. Journal of Technology and Operations Management, [S. l.], v. 12, n. 2, p. 25–34, 2017. Disponível em: https://educationmalaysia.co.uk/index.php/jtom/article/view/jtom2017.12.2.4. Acesso em: 29 nov. 2025.