in Proceedings of the American Conference of Information Systems, San francisco, 2009, San Francisco, United States

in Proceedings of the 4th International Conference for Internet Technology and Secured Transactions, 2009, London

in Global Challenges and Policies of the European Union −Consequences for the “New Member States"., Piotrowska. M, Kurowski. L Eds, Publishing House of the Wrocław University of Economics, pp. 22-29, 2009

FINANCE, Paris, France, 2009

in Proceedings of the 4th Alternative Perspectives in Accounting Research Conference, 2009, Quebec, Canada

in Proceedings of the European International Business Academy (EIBA), 2009, Valencia, Spain

Université Lille 2, 2009

in Proceedings of the 2009 European Academy of Management (EURAM), University of Liverpool, 2009, Liverpool

REVUE FRANCAISE DE COMPTABILITE, May 2009, vol. n° 421, pp. p.14 1 p.

Harvard Business Review ed. América Latina, 2009, vol. Mayo, no. Edición América Latina, pp. 28-38