PHILIP, JOSE; BANERJEE, SHAKTI; KAGEYAMA, SANPEI. Construction of nested t-associate PBIB designs under restricted dualization. Utilitas Mathematica , [S. l.], v. 51, 1997. Disponível em: https://utilitasmathematica.com/index.php/Index/article/view/61. Acesso em: 8 may. 2026.