1. Health Needs of Adolescents;World Health Organization;Report of a WHO Expert Committee, Technical Report Series 609,1977
2. Health Problems of Adolescents;World Health Organization;Report of a WHO Expert Committee, Technical Report Series 308,1965
3. Physical growth;Tanner,1970
4. Changing Youth in a Changing Society: Patterns of Adolescent Development and Disorder;Rutter,1979
5. Childhood and Society;Eriksen,1963