P. K. Paul, P. S. Aithal, Ricardo Saavedra, Bashiru Aremu, and Pappachan Baby. “Cloud Service Providers: An Analysis of Some Emerging Organizations and Industries”. International Journal of Applied Engineering and Management Letters (IJAEML), vol. 4, no. 1, May 2020, pp. 172-83, https://supublication.com/index.php/ijaeml/article/view/487.