Gopisetty, Satyanarayana. 2026. “The Unseen Bill: Uncovering Cross‑Layer Cost Externalities in AI‑Driven AWS Rightsizing and Their Mitigation through Policy‑Based Guardrails”. International Journal of AI, BigData, Computational and Management Studies 7 (1): 317-22. https://doi.org/10.63282/3050-9416.IJAIBDCMS-V7I1P146.