NASUTION, M. I. M.; SABARUDDIN CHANIAGO; PROF. M. SHABRI A. MAJID, PH.D; DR. MARLIYAH, M.A, DR. RITA HANDAYANI, M.SI. Comparison Study Of Usd, Euro, Gold Dinar Exchange On The Rupiah Exchange In 2009 – 2012. Enrichment : Journal of Management, v. 12, n. 2, p. 2038-2047, 31 May 2022.