หวังทอง ส.; โรจน์นิรุตติกุล ณ.; ตรีเมธสุนทร จ. Factors Affecting Participation in Six Sigma Management System of Operative Employees in Thai Glass Industries Public Company Limited. Journal of Industrial Education, [S. l.], v. 14, n. 2, p. 527–535, 2015. Disponível em: https://ph01.tci-thaijo.org/index.php/JIE/article/view/122488. Acesso em: 3 may. 2024.