Analisis Sistem Pengendalian Internal Pengelolaan Tagihan Vendor Melalui Aplikasi Vendor Invoicing Portal PT PLN (Persero) UID Jateng & DIY = Analysis of the Internal Control System for Vendor Invoice Management through the Vendor Invoicing Portal Application at PT PLN (Persero) Central Java and Yogyakarta Distribution Unit

MUHAMMAD AKMAL RAIHAN ALWI