The following publications are possibly variants of this publication:
- Evaluation of an Integrated Mobile Payment, Ticketing and Couponing Solution Based on NFCMarta Campos Ferreira, João Falcão e Cunha, Rui José, Helena Rodrigues, Miguel Pimenta Monteiro, Carlos Ribeiro. worldcist 2014: 165-174 [doi]
- MobiPag: Integrated Mobile Payment, Ticketing and Couponing Solution Based on NFCHelena Rodrigues, Rui José, André Coelho, Ana Melro, Marta Campos Ferreira, João Falcão e Cunha, Miguel Pimenta Monteiro, Carlos Ribeiro. sensors, 14(8):13389-13415, 2014. [doi]