PENGARUH GIRO WAJIB MINIMUM (GWM), DEBT TO EQUITY RATIO (DER), FINANCING TO DEPOSIT RATIO (FDR) DAN CAPITAL ADEQUACY RATIO (CAR) TERHADAP RETURN ON EQUITY (ROE) PT. BANK SYARIAH MANDIRI Tbk. TAHUN 2008-2015 - ALIK CHOLIFATUN NISAK, 2823123007 (2016)