FREEMAN G.H.; GONGORA-ALDAZ J.A. The superposition of t treatments on a (t - 1) × t Youden square design. Utilitas Mathematica , [S. l.], v. 58, 2000. Disponível em: https://utilitasmathematica.com/index.php/Index/article/view/181. Acesso em: 8 may. 2026.