SARATIAN, E. T. P., H. ARIEF, M. SOELTON, N. A. VIZANO, and M. MUGIONO. “DINAR AND DIRHAM; SUSTAINABLE MONEY FOR SUSTAINABLE SOCIETY”. ICCD, Vol. 2, no. 1, Nov. 2019, pp. 517 -21, doi:10.33068/iccd.Vol2.Iss1.258.