Judijanto, L. . (2023) “Development and Integration of Core Tax Administration System (CTAS) for Modernization of National Tax System”, Ijebar: Indonesian Journal of Economics, Business, and Accounting Research, 1(2), pp. 01–10. Available at: https://edujavare.com/index.php/Ijebar/article/view/708 (Accessed: 28 January 2026).