DEHNEL, Grażyna. The Use of the Robust GREG Estimator to Estimate Small Trade Firms. Acta Universitatis Lodziensis. Folia Oeconomica, Poland, v. 2, n. 334, p. [39]-51, 2018. DOI: 10.18778/0208-6018.334.03. Disponível em: https://www.czasopisma.uni.lodz.pl/foe/article/view/969. Acesso em: 8 aug. 2026.