Dubey, Parul, and Arvind Kumar Tiwari. “AWS Spot Instances: A Cloud Computing Cost Investigation Across AWS Regions”. International Journal of Intelligent Systems and Applications in Engineering 12, no. 1 (December 25, 2023): 01–10. Accessed October 27, 2025. https://ijisae.org/index.php/IJISAE/article/view/3671.