Gomes, R., J. T Lopes, L.  Cerdeira, H.  Vaz, R.  Ganga, J. P Silva, Sílvia  Silva, et al.. ?L'emigration Portugaise Qualifiée Dans Le Contexte Européen?. Hommes & Migrations 1317-18 . Hommes & Migrations (2017): 93-104.

Machado-Taylor, M. L., Virgílio Meira  Soares, R.  Brites, Brites  J. Ferreira, and O.  Gouveia. ?A Look To Academics Job Satisfaction And Motivation In Portuguese Higher Education Institutions?. In International Conference On Education And Educational Psychology - Iceepsy 2011. International Conference On Education And Educational Psychology - Iceepsy 2011. 19-22 October, Istanbul, Turkey, 2011.

Machado-Taylor, M. L., Virgílio Meira  Soares, R.  Brites, Brites  J. Ferreira, and O.  Gouveia. ?A Look To Academics Job Satisfaction And Motivation In Portuguese Higher Education Institutions?. Procedia - Social And Behavioral Sciences 29. Procedia - Social And Behavioral Sciences (2011): 1715-1724. doi:10.1016/j.sbspro.2011.11.417.