@book{7308,
	author = {HECK ,GENE W.},
	title = {THE PRECIOUS METALS OF WEST ARABIA AND THEIR ROLE IN FORGING THE ECONOMIC DYNAMIC OF THE EARLY ISLAMIC STATE / },
	publisher = {KING FAISAL CENTER FOR RESEARCH AND ISLAMIC STUDIES ، },
	year = {2003},
	address = {الرياض : }
}