Nasution, M. I. M., Sabaruddin Chaniago, Prof. M. Shabri A. Majid, Ph.D and Dr. Marliyah, M.A, Dr. Rita Handayani, M.Si (2022) “Comparison Study Of Usd, Euro, Gold Dinar Exchange On The Rupiah Exchange In 2009 – 2012”, Enrichment : Journal of Management, 12(2), pp. 2038-2047. doi: 10.35335/enrichment.v12i2.509.