Ayatullah, Agam Analisa perbandingan kinerja jakarta islamic index dengan index saham konvensional di bursa efek jakarta 2003 Manajemen Keuangan Jakarta Islamic Index Lq-45 Ihsg Islamic Finansial Alqur'an Dan Sunah Masyir Gharar Screening Cleansing Ihtiyat Prudential Management Najsy Bai'al Ma'dum Short Selling Insider Trading Nisbah Return Index Risk Adjusted