Analisis pengaruh penggunaan sukuk (obligasi syariah) terhadap return on asset (roa), asset turn over (ato) dan current ratio (cr) pada perusahaan yang terdaftar di Bursa Efek Indonesia (BEI) dan London Stock Exchange (LSE) periode 2007-2011 = Analysis of the use of sukuk (islamic bond) on return on asset (roa), asset turn over (ato) and current ratio (cr a study of listed companies at Indonesia Stock Exchange (IDX) and London Stock Exchange (LSE) for the period of 2007-2011