Design DESIGN OF A SIMPLE EXCEL-BASED FINANCIAL REPORTING AND TAXATION SYSTEM FOR TIME EFFICIENCY DATA MANAGEMENT IN BAKULAN ICUY UMKM: DESIGN OF A SIMPLE EXCEL-BASED FINANCIAL REPORTING AND TAXATION SYSTEM FOR TIME EFFICIENCY DATA MANAGEMENT IN BAKULAN ICUY UMKM. jaab [Internet]. 2026 May 14 [cited 2026 May 21];8(1):79-87. Available from: https://ojs.politeknikjambi.ac.id/jaab/article/view/569