BURGUETE, J. F.; BURGUETE, E. Characterization of k-Class estimation in simultaneous equation models. The Journal of Agriculture of the University of Puerto Rico, [S. l.], v. 74, n. 3, p. 307–310, 1990. DOI: 10.46429/jaupr.v74i3.6664. Disponível em: https://revistas.upr.edu/index.php/jaupr/article/view/6664. Acesso em: 17 aug. 2022.