Two Factor Central Composite Designs Robust to a Pair of Missing Observations. Journal of Statistics, [S. l.], v. 1, n. 1, 1993. DOI: 10.65463/jstat.1993.216. Disponível em: https://jstat.gcu.edu.pk/index.php/jstat/article/view/216. Acesso em: 28 sep. 2026.