Improving Survey Quality in Cross-national Research. - Eric Harrison; Knut Kalgraff Skjåk (IASSIST Conference, 2013)

Mode comparison study on willingness to buy and willingness to pay for organic foods: paper-and-pencil versus computerized questionnaire. - Kiriaki M. Keramitsoglou; Katja Lozar Manfreda; Charalampia Anastasiou; Knut Kalgraff Skjåk; Konstantinos P. Tsagarakis (Electron. Commer. Res., 2018)