ONUKOGU, Ike Basil; ESELE, Ignatius I. Response surface exploration with spline functions: biased regressors. Statistica, [S. l.], v. 47, n. 2, p. 287–298, 2013. DOI: 10.6092/issn.1973-2201/744. Disponível em: https://rivista-statistica.unibo.it/article/view/744. Acesso em: 22 jul. 2024.