SILABAN, V. S.; RAHMAN, H.; SYAH, D. H. Expert Advisor Construction Using Fixed Fractional Money Management and Williams Percent-R Indicator In DAX-30 (DE30) Trading: Analysis on Zero Spread Account. Economic: Journal Economic and Business, [S. l.], v. 4, n. 4, p. 607–615, 2025. DOI: 10.56495/ejeb.v4i4.1208. Disponível em: https://jurnal.larisma.or.id/index.php/EJEB/article/view/1208. Acesso em: 19 sep. 2025.