MURTHY, S.; RAMBABU, Y. Design and Application of Economical Process Control Charts. Defence Science Journal, [S. l.], v. 47, n. 1, p. 45–53, 2013. DOI: 10.14429/dsj.47.3976. Disponível em: https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/3976. Acesso em: 6 jul. 2025.