, , , , , , , , AND , . " ANALYSIS OF THE EFFECT OF E-FILING AND E-BILLING ELECTRONIC MEDIA SYSTEM QUALITY ON TAXPAYER SATISFICATION (STUDY OF TAXPAYERS AT KPP PRATAMA PEKANBARU TAMPAN)" LUCRUM : Jurnal Bisnis Terapan [Online], Volume 5 Number 2 (30 June 2025)