NFC Payments - Gaps Between User Perception and Reality. - Poornigha Santhana Kumar; Michael Bechinie; Manfred Tscheligi (Privacy and Identity Management, 2017)

Changed the Cup, Not the Saucer - NFC Payments in Supermarkets. - Poornigha Santhana Kumar; Michael Bechinie; Manfred Tscheligi (HCI (30), 2018)

How to Improve the Interaction Design of NFC Payment Terminals? - Poornigha Santhana Kumar; Michael Bechinie; Manfred Tscheligi (INTERACT (2), 2019)