00526nam a2200169Ia 4500082002000000100006400020245007400084260003000158300001300188500000500201690000600206700000500212952010100217964001700318921000800335999001300343  a305.23bUn58.LT  aUnited Nations. Economic and Social Affairs, Department of-  aLong-term policies and programmes for youth in National developmentb  aNew YorkbThe Auth.c1970  aiii,56p.  a  a   a  00104070aISIbISId1998-05-28l0o305.23 Un58.LTpDP4799r2019-02-14 00:00:00w2019-02-14yBK  abcdefg  a416  c416d416