Dr. Lukas Schneider. “A Comprehensive Study on Spending Supervision Methods for Improved Economic Stewardship in Firms”. Academic Reseach Library for International Journal of Computer Science & Information System 10, no. 11 (November 30, 2025): 162–169. Accessed April 30, 2026. http://colomboscipub.com/index.php/arlijcsis/article/view/162.