Peningkatan akurasi estimasi usaha dan biaya pengembangan perangkat lunak dengan integrasi perhitungan use case point analysis dan activity based-costing: studi kasus XYZ = Estimation accuracy improvement for software development effort and cost by use case point analysis and activity-based costing integration: a case study of XYZ / Freddy Fadjari - Freddy Fadjari, author (2019)