Batista, Lauro Boechat, Eliza Helena de Souza Faria, Maria Eunice O C Rodrigues, Kellen Moreira Batista, and Vandeir Francisco Guimarães. “Double Factorial Design”. Semina: Ciências Exatas e Tecnológicas 14, no. 4 (December 15, 2004): 346–359. Accessed April 27, 2024. https://ojs.uel.br/revistas/uel/index.php/semexatas/article/view/3219.