VARGHESE, CINI; SHARMA V.K.; RAO A.R. Optimality of circular cross-over designs balanced for first and second residuals. Utilitas Mathematica , [S. l.], v. 64, 2003. Disponível em: https://utilitasmathematica.com/index.php/Index/article/view/284. Acesso em: 15 nov. 2026.