ABDULSAMAD, S. Y.; MOHAISEN, A. J. Some Remarks on Restricted Panel Data Model. JOURNAL OF ADVANCES IN MATHEMATICS, [S. l.], v. 13, n. 2, p. 7168–7175, 2017. DOI: 10.24297/jam.v13i2.6040. Disponível em: https://www.rajpub.com/index.php/jam/article/view/6040. Acesso em: 18 may. 2024.