1. Enseñanza de la Enfermeria;Heidgerken LE,1963
2. On nursing care plane and their history;Henderson V;Nurs Outlook,1973
3. O caso de estudo;Vidal ZC;Annaes de Enfermagem,1934
4. Qualitative inquiry and research design: choosing among five traditions;Creswell JW,1998
5. Pesquisa em educação: abordagens qualitativas;Lüdke M,1986