Kokabian, Pezhwak - In: Journal of risk and financial management : JRFM 13 (2020) 6/114, pp. 1-9
Monetary historians argue that two types of currencies were circulating in the middle ages of Europe. The first was the standard historical form of money made up of gold and silver coins, and the second was a set of small pieces of copper and other metallic substances used mainly in towns and...
