1. Consumer cloud computing users worldwide 2018. (n.d.). https://www.statista.com/statistics/321215/global-consumer-cloud-computing-users/
2. Thakur, A., Goraya, M.: A taxonomic survey on load balancing in cloud. J. Netw. Comput. Appl. 98, 43–57 (2017)
3. Hayyolalam, V., Kazem, A.: A systematic literature review on QoS-aware service composition and selection in cloud environment. J. Netw. Comput. Appl. 110, 52–74 (2018)
4. Aluvalu, R.K., Muddana, L.: Access control model with enhanced flexibility and scalability for cloud. In: Proceeding of the 2015 IEEE International Conference on Green Computing and Internet of Things (ICGCIoT), Noida, India, 2015
5. Gartner Says Global IT Spending to Grow 1.1 Percent in 2019. (n.d.). https://www.gartner.com/en/newsroom/press-releases/2019-04-17-gartner-says-global-it-spending-to-grow-1-1-percent-i