AGGARWAL, R.; SOENEN, L. Private use of official currency cocktails: the relative success of the ECU and the SDR. PSL Quarterly Review, [S. l.], v. 41, n. 167, 2013. DOI: 10.13133/2037-3643/10841. Disponível em: https://rosa.uniroma1.it/rosa04/psl_quarterly_review/article/view/10841. Acesso em: 17 may. 2024.