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21منشور في 1983“...Bank for International Settlements. Monetary and Economic Department...”
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22منشور في 1985“...Bank for International Settlements. Monetary and Economic Department...”
كتاب -
23منشور في 1996“...Muʼassasat al-Naqd al-ʻArabī al-Saʻūdī.; Bank for International Settlements...”
كتاب