ROZANE, Danilo Eduardo; ROMUALDO, Liliane Maria; CENTURION, José Frederico; BARBOSA, José Carlos. The numbers of sample design for evaluation of the soil fertility. Semina: Ciências Agrárias, [S. l.], v. 32, n. 1, p. 111–118, 2011. DOI: 10.5433/1679-0359.2011v32n1p111. Disponível em: https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/4141. Acesso em: 18 jul. 2025.