COSTA E SILVA, Susana, and Lucénio SARAIVA. “ UNDERSTANDING CHANGES ON THE COUNTRY-OF-ORIGIN EFFECT OF PORTUGAL”. Studia Universitatis Babeș-Bolyai Oeconomica, vol. 61, no. 3, Dec. 2016, pp. 3-19, https://studia.reviste.ubbcluj.ro/index.php/subboeconomica/article/view/5124.