Philatelic Diplomacy in the System of the Global Economic Cooperation and Its Role in Realization of the Geopolitical Goals. Mediterranean Journal of Social Sciences, [S. l.], v. 6, n. 5 S3, p. 356, 2015. Disponível em: https://www.richtmann.org/journal/index.php/mjss/article/view/7785.. Acesso em: 5 may. 2024.