Elfin Krisdayanti Hia; Amelia Tirana Sita; Dhina Winnata; Moh Khaerul Anwar Maulana; Supriyono; Baharudin Saga; Andry Sugeng. IMPLEMENTATION OF SIMPLE SMARTPHONE-BASED FINANCE THAT IMPACTS THE EFFICIENCY OF UMKM RECORDING IN CIBUNGBULANG SUB-DISTRICT. IJME 2026, 5, 13-24.