Katakam, Raghuram. “Subscription Billing and Revenue Recognition Optimization through SAP Billing and Revenue Innovation Management”. International Journal of Emerging Trends in Computer Science and Information Technology 5, no. 2 (June 30, 2024): 224–235. Accessed November 11, 2026. https://ijetcsit.com/index.php/ijetcsit/article/view/157.