Investigating human resource management policies of the ICT labour market. - Vassilis Kostoglou; Konstantinos Paparrizos; Costas Zafiropoulos (Oper. Res., 2004)

An Evaluation of the Performance of Hotel Web Sites Using the Managers' Views about Online Information Services. - Costas Zafiropoulos; Vasiliki Vrana; Dimitrios Paschaloudis (ECIS, 2005)

Attitudes towards internet use among travel agencies in greece. - Vasiliki Vrana; Costas Zafiropoulos; Savvas Paschalidis (ECIS, 2006)

A Framework for the Evaluation of Hotel Websites: The Case of Greece. - Costas Zafiropoulos; Vasiliki Vrana (J. Inf. Technol. Tour., 2006)

Differentiations between Expected and Perceived Interactivity in Hotel Websites. - Costas Zafiropoulos; Vasiliki Vrana; Despoina Karystinaiou (ECIS, 2007)

A Social Networking Exploration of Political Blogging in Greece. - Costas Zafiropoulos; Vasiliki Vrana (WSKS (1), 2008)

A Social Networking Analysis Of Travel Blogs. - Vasiliki Vrana; Costas Zafiropoulos (MCIS, 2009)

Extending TAM to Understand E-Governance Adoption by Teachers in Greece. - Ioannis Karavasilis; Costas Zafiropoulos; Vasiliki Vrana (WSKS (2), 2010)

A Model for Investigating E-Governance Adoption Using TAM and DOI. - Ioannis Karavasilis; Costas Zafiropoulos; Vasiliki Vrana (Int. J. Knowl. Soc. Res., 2010)

Locating central travelers' groups in travel blogs' social networks. - Vasiliki Vrana; Costas Zafiropoulos (J. Enterp. Inf. Manag., 2010)

Connectivity Practices and Activity of Greek Political Blogs. - Costas Zafiropoulos (Future Internet, 2012)

Assessing the Adoption of e-Government Services by Teachers in Greece. - Costas Zafiropoulos; Ioannis Karavasilis; Vasiliki Vrana (Future Internet, 2012)

Bloggers' Community Characteristics and Influence within Greek Political Blogosphere. - Costas Zafiropoulos; Vasiliki Vrana; Dimitrios Vagianos (Future Internet, 2012)

Sharing Followers in e-Government Twitter Accounts: The Case of Greece. - Costas Zafiropoulos; Konstantinos Antoniadis; Vasiliki Vrana (Future Internet, 2014)

Exploring e-governance acceptance by primary and secondary education teachers in Greece. - Costas Zafiropoulos; Ioannis Karavasilis; Vasiliki Vrana (Int. J. Inf. Technol. Manag., 2014)

A Method for Assessing the Performance of e-Government Twitter Accounts. - Konstantinos Antoniadis; Costas Zafiropoulos; Vasiliki Vrana (Future Internet, 2016)

An Extended Model of E-Government Adoption by Civil Servants in Greece. - Ioannis Karavasilis; Vasiliki Vrana; Costas Zafiropoulos (Int. J. Electron. Gov. Res., 2016)