Madaleno, A., Eusébio, C. and Varum, C. 2017. The influence of international tourism on exports of agro-food products: the case of Portugal. Journal of Tourism & Development. 1, 27/28 (Jan. 2017), 1205-1219. DOI:https://doi.org/10.34624/rtd.v1i27/28.9851.