Bibliografia
Principal
- (diverse) (---) Papers related with the addressed topics to be designated every year
- John W. Creswell (2014) Research Design: Qualitative, Quantitative, and Mixed Methods Approaches SAGE Publications
- ( ) Research Design: Qualitative, Quantitative, and Mixed Methods Approaches, by John W. Creswell, 2013 Papers related with the addressed topics to be designated every year.