E-government Application at the Regional Level in Poland - the Case of SEKAP. - Ewa Ziemba; Tomasz Papaj (FedCSIS, 2012)

Assessing the quality of e-government portals - the Polish experience. - Ewa Ziemba; Tomasz Papaj; Danuta Descours (FedCSIS, 2014)

Factors Influencing The Success Of E-Government. - Ewa Ziemba; Tomasz Papaj; Rafal Zelazny; Maria Jadamus-Hacura (J. Comput. Inf. Syst., 2016)

Information systems projects' success in government units: the issue of information systems integration. - Iwona Kolasa; Tomasz Papaj; Ewa Ziemba (KES, 2020)

Critical Success Factors for Adopting Electronic Document Management Systems in Government Units. - Ewa Ziemba; Tomasz Papaj; Danuta Descours (FedCSIS, 2022)