Situmorang, P. 2020 Jan 1. THE EFFECT OF SYSTEM QUALITY AND INFORMATION QUALITY ON THE SATISFACTION OF USER ENTERPRISE RESOURCE PLANNING-SYSTEM APPLICATION AND PRODUCT IN DATA PROCESSING (ERP-SAP) WITH PERCEIVED USEFULNESS AS A VARIABLE MODERATING IN PTPN III (PERSERO) UNIT OF LABUHAN. International Journal of Public Budgeting, Accounting and Finance. [Online] 2:4