Complementary Currencies: What Are They? And Why?. Al Qasimia University Journal of Islamic Economics, [S. l.], v. 1, n. 2, p. 1–47, 2021. DOI: 10.52747/aqujie.1.2.76. Disponível em: https://journals.alqasimia.ac.ae/index.php/ie/article/view/76.. Acesso em: 29 apr. 2024.