Ati, D. L., and A. Asqolani. “Review Of VAT Administration Based on The Core Tax Administration System (CTAS): A Case Study of The Surabaya Sukomanunggal Tax Office”. IPSAR (International Public Sector Accounting Review), vol. 3, no. 1, Dec. 2025, pp. 48-61, doi:10.31092/ipsar.v3i1.3647.