Resume
This work is cataloged in the Scientific Portal. Officially published in EDUCADE - Revista de Educación en Contabilidad, Finanzas y Administración de Empresas (2013). Referenced as: "Cristina Góis (F910-A1B5-2849); Antunes Brás, Filomena".
The complete abstract and full text can be accessed directly at the official DOI: https://doi.org/10.12795/educade.2013.i04.04