1. United Children s Fund Progress for children a report card on adolescents New York United Nations Children Fund UNICEF Available at http www unicef org media files PFC Areportcardonadolescents pdf;Nations,2012
2. Lasting consequences of the summer learning gap;Alexander;Am Sociol Rev,2007
3. Requirements for the healthy development of adolescent youth;Konopka;Adolescence,1973
4. II Keeping adolescent orphans in school to prevent human immunodeficiency virus infection : evidence from a randomized controlled trial in Kenya;Cho;Health,2011
5. Reducing risk increasing protective factors findings from the Caribbean Youth Survey;Blum;Health Health,2004