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Open AccessArticle by 1, 2,3,*, 3, 3, 3, 3 and 3 1 Research on Economics, Management and Information Technologies, REMIT, Portucalense University, 4200-072 Porto, Portugal 2 NECE-UBI—Research Unit in Business Sciences, University of Beira Interior, Estrada do Sineiro, s/n, 6200-209 Covilhã, Portugal 3 Miguel Torga Institute of Higher Education, Largo Cruz de Celas nº1, 3000-132 Coimbra, Portugal * Author to whom correspondence should be addressed.
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