ROBUST PARAMETER ESTIMATION FOR RANDOM EFFECT PANEL DATA MODEL IN THE PRESENCE OF HETEROSCEDASTICITY AND INFLUENTIAL OBSERVATIONS. FUDMA JOURNAL OF SCIENCES, [S. l.], v. 4, n. 4, p. 561–569, 2021. DOI: 10.33003/fjs-2020-0404-689. Disponível em: http://162.254.38.185/index.php/fjs/article/view/689. Acesso em: 17 sep. 2025.