Bio@gro - An online multilingual organic agriculture e-services platform. - Sotiris Karetsos; Constantina I. Costopoulou; Alexander B. Sideridis; Charalampos Z. Patrikakis; Maria Koukouli (Inf. Serv. Use, 2007)

Mobile government: A challenge for agriculture. - Maria Ntaliani; Constantina I. Costopoulou; Sotiris Karetsos (Gov. Inf. Q., 2008)

Building a virtual community for organic agriculture. - Sotiris Karetsos; Constantina I. Costopoulou; Maria Ntaliani (Int. J. Web Based Communities, 2008)

M-government services for rural SMEs. - Maria Ntaliani; Constantina I. Costopoulou; Nikos Manouselis; Sotiris Karetsos (Int. J. Electron. Secur. Digit. Forensics, 2009)

Untangling Public Service Usage for Agribusinesses with Dialogic E-government. - Sotiris Karetsos; Maria Ntaliani; Constantina I. Costopoulou; Alexander B. Sideridis (ICGS3/e-Democracy, 2011)

Modeling an e-government observatory for rural SMEs using UML with RUP. - Sotiris Karetsos; Nikos Manouselis; Constantina I. Costopoulou (Oper. Res., 2011)

Mobile Learning: An Android App Using Certified Content. - Sotiris Karetsos; Maria Ntaliani; Constantina I. Costopoulou (e-Democracy, 2013)

Citizen e-Empowerment in Greek and Czech Municipalities. - Maria Ntaliani; Constantina I. Costopoulou; Sotiris Karetsos; Martin Molhanec (e-Democracy, 2015)

e-Participation Provision and Demand Analysis for Greek Municipalities. - Constantina I. Costopoulou; Filotheos Ntalianis; Maria Ntaliani; Sotiris Karetsos; Evagelia Gkoutzioupa (e-Democracy, 2017)

Cross-Border e-Government Authentication Services. - Alexandros B. Sideridis; Constantina I. Costopoulou; Costas P. Yialouris; Ioannis Savvas; Michael T. Maliappis; Maria Ntaliani; Sotiris Karetsos; Stergios G. Tsiafoulis; Loucas Protopappas; Andreas Chatziandreou (HAICTA, 2017)