Wang P, Zhao C, Liu W, Chen Z, Zhang Z. Optimizing Data Placement for Cost Effective and High Available Multi-Cloud Storage. Comput. Inform. [Internet]. 2020 Feb. 29 [cited 2024 Nov. 23];39(1-2):51-82. Available from: http://147.213.75.17/ojs/index.php/cai/article/view/2020_1-2_51