ÁLVAREZ, I. C.; BARBERO, J.; ZOFÍO, J. L. A Panel Data Toolbox for MATLAB. Journal of Statistical Software, [S. l.], v. 76, n. 6, p. 1–27, 2017. DOI: 10.18637/jss.v076.i06. Disponível em: https://www.jstatsoft.org/index.php/jss/article/view/v076i06. Acesso em: 8 dec. 2022.