ANALISIS PENGARUH BIAYA OPERASIONAL terhadap PENDAPATAN OPERASIONAL (BOPO), CAPITAL ADEQUACY RATIO (CAR), FINANCING to DEPOSIT RATIO (FDR), DAN NON PERFORMING FINANCING (NPF) TERHADAP RETURN on ASSETS (ROA) BANK MEGA SYARIAH PERIODE 2014-2018 - HANUM SAMIRA (Progran Studi Perbankan Syariah, 2019)