Almerri Mubarak H M M J, et al. “Security Mechanisms of Distributed Denial-Of-Service (DDOS) Attack in Everything-As-a-Service (XaaS) - Survey”. International Journal on Recent and Innovation Trends in Computing and Communication, vol. 11, no. 9, Oct. 2023, pp. 438-44, doi:10.17762/ijritcc.v11i9.8825.