Administration of the state information system of the Estonian eGovernment [Electronic resource]Kalja, Ahto; Robal, Tarmo; Gailan, TriinPICMET '17 : Portland International Conference on Management of Engineering and Technology : Technology Management for the Interconnected World : proceedings2017 / p. 1-7 : ill. [USB] https://doi.org/10.23919/PICMET.2017.8125312 Ontology design for automatic evaluation of web user interface usability [Electronic resource]Robal, Tarmo; Marenkov, Jevgeni; Kalja, AhtoPICMET '17 : Portland International Conference on Management of Engineering and Technology : Technology Management for the Interconnected World : proceedings2017 / p. 1-8 : ill. [USB] https://doi.org/10.23919/PICMET.2017.8125425