1. Life course, capitalisation and adolescent behavioral development;Hagan,1998
2. Problem Behavior and Psychosocial Development;Jessor,1977
3. Multiple risk factors for multiproblem boys;Loeber,1998
4. AIDS, violence and behavioural coding;Wallace;Soc Sci Med,1996
5. Risk-taking behaviour of Cape Peninsula high-school students;Flisher;S Afr Med J,1996