CATESOC - Gabinete de Estratégia e Planeamento. Pesquisa: "TCO International Council of Homehelp Services (ICHS)" + "TCO International Council of Homehelp Services (ICHS)$"
Compl. tít.: Statutes of the International Council of Homehelp Services: Bylaws to the Statutes of the International Council of Homehelp Services : Resolution Text : The Homehelp Services in the 1990's : means to strengthen and improve ICHS Work