TY - BOOK AU - UNICEF TI - The state of the world's children 2011:Adolescence an age of opportunity SN - 978-92-806-4555-2 U1 - 362.71091724 UNI-S PY - 2011/// CY - New York PB - United Nations children's fund KW - Children -- Developing countries KW - Children -- Health and hygiene -- Developing countries KW - Children ER -