International tourism and exports of agro-food products: a causality analysis A. Madaleno C. Eusébio C. Varum Publication Journal: Anatolia Year of Publication: 2016 Volume: 27 Issue: 2 Pagination: 251-261 Identifiers Other Numbers: 2-s2.0-84946881990 Alternative titles DOIGoogle ScholarBibTeXRIS Locators