SZYJA, P. The Role of Services in International Trade; the Example of Singapore. Studies of the Industrial Geography Commission of the Polish Geographical Society, [S. l.], v. 31, n. 1, p. 108–123, 2017. DOI: 10.24917/20801653.311.8. Disponível em: https://prace-kgp.uken.krakow.pl/article/view/20801653.311.8. Acesso em: 26 apr. 2024.