ABUGAMEA, . G. H. Palestinian import - export trade modeling For the period 1968-1998, an application of seemingly unrelated regression equations. Studies in Business and Economics, [S. l.], v. 14, n. 2, 2008. DOI: 10.29117/sbe.2008.0049. Disponível em: https://journals.qu.edu.qa/index.php/SBE/article/view/716. Acesso em: 25 jan. 2022.