SZWEYKOWSKA-MURADIN, .; FOLTYNOWICZ, . Greenhouse gas emission allowances as a commodity to trade. "INTERNATIONAL·SCIENTIFIC-·PRACTICAL·JOURNAL·COMMODITIES·AND·MARKETS", [S. l.], v. 10, n. 2, p. 38–43, 2011. Disponível em: https://journals.knute.edu.ua/commodities-and-markets/article/view/1574. Acesso em: 7 may. 2024.