Towards Harmonised Pan-European TMN Customer Care Solutions: Interoperable Trouble Ticketing Management Service. - Stefan Covaci; Dan Dragan (IS&N, 1997)

Integrated Trouble Management to Support Service Quality Assurance in a Multi-provider Context. - Dan Dragan; Thomas Gringel; Jane Hall; Richard O. Sinnott; Michael Tschichholz; Wilhelm Vortisch (IS&N, 2000)

Trouble Management for Multimedia Services in Multi-Provider Environments. - Nazim Agoulmine; Dan Dragan; Thomas Gringel; Jane Hall; Evgenia Rosa; Michael Tschichholz (J. Netw. Syst. Manag., 2000)

Enablement of CoAP Stack on Sparrow Wireless Sensor Network. - Dan Dragan; Dan Tudose; Dan Dragomir (CSCS, 2017)