Aires, J., Brandão, F. and Valduga, M. 2017. Measuring innovation in travel agencies from Recife (Brazil): an analysis focused on the supply dimension of the innovation radar. Journal of Tourism & Development. 1, 27/28 (Jan. 2017), 21-34. DOI:https://doi.org/10.34624/rtd.v1i27/28.8349.