FONTANA, R.; SAMPÒ, S. Minimum-Size Mixed-Level Orthogonal Fractional Factorial Designs Generation: A SAS-Based Algorithm. Journal of Statistical Software, [S. l.], v. 53, n. 10, p. 1–18, 2013. DOI: 10.18637/jss.v053.i10. Disponível em: https://www.jstatsoft.org/index.php/jss/article/view/v053i10. Acesso em: 4 dec. 2021.