World youth report
United Nations
United Nations c2013 World youth report
所蔵館2館
Economic and Social Affairs
United Nations 2010 World youth report 2010
所蔵館7館
Department of Economic and Social Affairs
United Nations 2007 World youth report 2007
所蔵館12館
United Nations 2005 World youth report 2005
所蔵館10館
United Nations 2004 World youth report 2003