HUI, Xinye. Variable Selection for Panel Data Linear Regression Models with Fixed Effects. International Journal of Social Sciences and Public Administration, U.K., v. 2, n. 2, p. 98–107, 2024. DOI: 10.62051/ijsspa.v2n2.17. Disponível em: https://wepub.org/index.php/IJSSPA/article/view/726. Acesso em: 24 jul. 2026.