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Lua i Stíl Chicago (17ú heag.)Friedemann, Marie-Luise. The Framework of Systemic Organization: A Conceptual Approach to Families and Nursing. Thousand Oaks: Sage Publications, 1995.
Lua MLA (8ú heag.)Friedemann, Marie-Luise. The Framework of Systemic Organization: A Conceptual Approach to Families and Nursing. Sage Publications, 1995.
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