Analisis pengaruh Capital Adequacy Ratio (CAR), Non Performing Financing (NPF), Financing to Deposit Ratio (FDR), serta rasio Biaya Operasional Pendapatan Operasional (BOPO) terhadap profitabilitas bank umum syariah = Analysis of effect of capital adequacy ratio (CAR), non performing financing (NPF), financing to deposit (FDR), and operational efficiency ratio (BOPO) on profitability of sharia commercial bank