Risk Analysis and Process Optimization in Toy Manufacturing Using FMEA, Six Sigma, and Statistical Process Control. International Research Journal of Innovation in Science and Technology, [S. l.], v. 1, n. 2, p. 39–46, 2026. Disponível em: https://irjist.org/index.php/irjist/article/view/14. Acesso em: 9 may. 2026.