Security Governance in Multi-cloud Environment: A Systematic Mapping Study. - Hamad Witti; Chirine Ghedira Guégan; Eric Disson; Khouloud Boukadi (SERVICES, 2016)

A Conceptual Framework of Security Requirements in Multi-cloud Environment. - Hamad Witti; Chirine Ghedira Guégan; Elhadj Benkhelifa (SERVICES, 2018)

A Web Service Security Governance Approach Based on Dedicated Micro-services. - Sarra Abidi; Mehrez Essafi; Chirine Ghedira Guégan; Myriam Fakhri; Hamad Witti; Henda Hajjami Ben Ghézala (KES, 2019)