Kiriaki M. Keramitsoglou, Katja Lozar Manfreda, Charalampia Anastasiou, Knut Kalgraff Skjåk, Konstantinos P. Tsagarakis. Mode comparison study on willingness to buy and willingness to pay for organic foods: paper-and-pencil versus computerized questionnaire. Electronic Commerce Research, 18(3):587-603, 2018. [doi]
Abstract is missing.