Gutierriz, I., Lopes, I.M., Rodriguez, V., Nunes, A. (2021). The QR Code as a Communication Tool in Cultural Valorization: Intercultural Study Between the Cities of Bragança (Portugal) and Salvador (Brazil). In: Abreu, A., Liberato, D., González, E.A., Garcia Ojeda, J.C. (eds) Advances in Tourism, Technology and Systems. ICOTTS 2020. Smart Innovation, Systems and Technologies, vol 209. Springer, Singapore. https://doi.org/10.1007/978-981-33-4260-6_23