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\bibitem{Hospicegeneral1999} Hospice g{\'e}n{\'e}ral. (1999). \textit{La cl{\'e} : guide social et pratique : {\'e}dition 1999 : Gen{\`e}ve}  (Service de communication, Ed.). Gen{\`e}ve: Hospice g{\'e}n{\'e}ral Institution genevoise d{\textquoteright}action sociale, Service communication.

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