An Evaluation of the Initiatives and the Progress Made on e-government Services in the EU. - Alexander B. Sideridis; Elias Pimenidis; Loucas Protopappas; Maria Koukouli (ICGS3/e-Democracy, 2011)

The Strategy and the Progress Made on E-Government Services in the EU. - Loucas Protopappas; Alexander B. Sideridis (e-Democracy, 2013)

Smart Cross-Border e-Gov Systems and Applications. - Alexander B. Sideridis; Loucas Protopappas; Stergios G. Tsiafoulis; Elias Pimenidis (e-Democracy, 2015)

Recent ICT Advances Applied to Smart e-Government Systems in Life Sciences. - Alexander B. Sideridis; Loucas Protopappas (HAICTA, 2015)

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)

The Contribution of Smart Cross-Border e-Gov Systems to Life Sciences and their Applications. - Alexander B. Sideridis; Loucas Protopappas; Elias Pimenidis (HAICTA, 2017)

Implementation Issues of Cross Border e-Government Systems and Services. - Loucas Protopappas; Alexander B. Sideridis; Costas P. Yialouris (HAICTA, 2020)

Προηγμένες υπηρεσίες ηλεκτρονικής διακυβέρνησης - Loucas Protopappas (2021)