by Pitt, Michael K., Silva, Ralph dos Santos, Giordani, Paolo, Kohn, Robert
Published in Journal of econometrics (01.12.2012)

by Domínguez, Anilé Ossorio, Filho, Romildo Dias Toledo, Gomes, José Antônio da Cunha Ponciano, Silva, Ralph dos Santos, de Souza, Eduardo Alencar, Silva, Adriana Barbosa da
Published in Construction materials (02.02.2024)

by Souza, Rafael Martins de, Graça, Luís Felipe Guedes da, Silva, Ralph dos Santos
Published in Brazilian political science review (01.12.2017)

by Silva, Ralph dos Santos, Lopes, Hedibert Freitas
Published in Statistics and computing (01.09.2008)

by Giglio, Ernesto Michelangelo, Rimoli, Celso Augusto, Silva, Ralph dos Santos
Published in Organizações Rurais e Agroindustriais/Rural and Agro-Industrial Organizations (05.05.2008)