Apresentação

Licencia

Derechos de autor 2007 Graciela Ravetti, Maria Inês de Almeida, Sandra Regina Goulart Almeida, Sara del Carmen Rojo de La Rosa (Autor)

Esta obra está bajo una licencia internacional Creative Commons Atribución 4.0.

Authors who publish with this journal agree to the following terms:Authors retain copyright and grant the journal right of first publication with the work simultaneously licensed under a Creative Commons Attribution Non-Commercial No Derivatives License that allows others to share the work with an acknowledgement of the work's authorship and initial publication in this journal.Authors are able to enter into separate, additional contractual arrangements for the non-exclusive distribution of the journal's published version of the work (e.g., post it to an institutional repository or publish it in a book), with an acknowledgement of its initial publication in this journal.Authors are permitted and encouraged to post their work online (e.g., in institutional repositories or on their website) prior to and during the submission process, as it can lead to productive exchanges, as well as earlier and greater citation of published work (See The Effect of Open Access).