BARTHEL, M. Report on the 1st Berlin Border Seminar 2014. International Journal of Contemporary Economics and Administrative Sciences, [S. l.], v. 6, n. SI, p. 4–11, 2016. Disponível em: http://www.ijceas.com/index.php/ijceas/article/view/127. Acesso em: 25 jul. 2024.