SRIVASTAVA R.; PARSAD, RAJENDER; DEY, AMITAVA; GUPTA V.K. A-efficient block designs for symmetrie parallel line assays. Utilitas Mathematica , [S. l.], v. 73, 2007. Disponível em: https://utilitasmathematica.com/index.php/Index/article/view/489. Acesso em: 8 may. 2026.