MARSONO, Acong Dewantoro. NILAI BISNIS SAHAM SYARIAH DAN PORTOFOLIO OPTIMAL. Jurnal Syarikah : Jurnal Ekonomi Islam, [S. l.], v. 2, n. 1, 2016. DOI: 10.30997/jsei.v2i1.290. Disponível em: http://103.127.96.46/index.php/JSEI/article/view/290. Acesso em: 8 jun. 2026.