Audit akun pendapatan dan piutang usaha pada PT Ombak = Audit procedure on revenue and trade receivables of PT Ombak

Prosedur audit atas akun pendapatan PT DWA = Audit procedures of PT DWA revenue account

Analisis prosedur audit terhadap akun pendapatan PT EVN = Analysis of audit procedures on revenue of PT EVN

Prosedur audit atas akun pendapatan PT AMN = Audit procedures for revenue of PT AMN

Prosedur audit serta analisis pengakuan pendapatan berdasarkan PSAK 23 dan IFRS 15 pada PT Arktik tbk = Audit procedures and revenue recognition analysis based on PSAK 23 and IFRS15 in PT Arktik tbk