Extended BPEL with heterogeneous authentication mechanisms in service ecosystems. - Pascal Bou Nassar; Youakim Badr; Frédérique Biennier; Kablan Barbar (MEDES, 2009)

Securing Collaborative Business Processes: A Methodology for Security Management in Service-Based Infrastructure. - Pascal Bou Nassar; Youakim Badr; Frédérique Biennier; Kablan Barbar (APMS, 2011)

Towards Security Awareness in Designing Service-oriented Architectures. - Pascal Bou Nassar; Youakim Badr; Frédérique Biennier; Kablan Barbar (ICEIS (3), 2013)