Media type: E-Article Title: Internationalization and innovation profitability: the case of Tunisian service firms Contributor: Hanen Sdiri; Mohamed Ayadi Published: 2014 Published in: Problems and Perspectives in Management, 12 (2014) 1 Language: English ISSN: 1727-7051; 1810-5467 Origination: Footnote: Access State: Open Access