Analisis kesesuaian operasional dan akuntansi perusahaan asuransi Syariah berdasarkan fatwa dsn MUI asuransi Syariah dan psak 108 studi kasus unit usaha Syariah PT. DEF = Analysis of suitability on operational and accounting system in islamic insurance company based on dsn mui decrees of Islamic isurance and psak 108 case study Syariah business unit PT. DEF