00356cam\a22001695a\4500 22717 20171002153755.0 171002s1999\\\\xx\\\\\\\\\\\\\\\\\\eng\\ CH-GeUNH eng UN A framework for advancing environmental and social sustainability in the United Nations System New York: UN, 2012 English ECONOMIC, SOCIAL AND CULTURAL RIGHTS OHCHR DOC LIB/ESCR/MISC/234 General Collection BOOK Pamphlets/Leaflets