FATIN RIZQI NAURAH; MUHAMMAD ILYAS JAILANI; GUNAWAN AJI. Analyzing the Implementation of Sharia Economic Principles in Capital Market Investment: A Study of DSN-MUI Fatwas No. 40 (2003) and No. 80 (2011): (Analisis Penerapan Prinsip Ekonomi Syariah dalam Investasi Pasar Modal Menurut Fatwa DSN-MUI No. 40/2003 dan No. 80/2011). SYMPHONIA: Journal of Theory and Research Output, [S. l.], v. 1, n. 1, p. 41–49, 2026. DOI: 10.12026/sym.v1i1.083. Disponível em: https://darulilmijournal.com/index.php/symphonia/article/view/83. Acesso em: 15 jan. 2026.