Show 10 5 10 15 20 50 100 250 Sort by year (new to old) Actions Download search results Subscribe to news feed Your filters: cql: keyword exact "sexual activity" cql: author exact 002001408575 or (type exact bookEditor and editor exact 002001408575) Add to list Journal Article A1 Mechanisms of peer influence among adolescents: cohesion versus structural equivalence Hans Berten (UGent) and Ronan Van Rossem (UGent) (2011) SOCIOLOGICAL PERSPECTIVES. 54(2). p.183-204 Add to list Conference Paper C3 open access AIDS Knowledge and Sexual Activity among Flemish Secondary School Students: the Effects of Type of Education Ronan Van Rossem (UGent) , Hans Berten (UGent) and Charlotte Van Tuyckom (UGent) (2009) ESA 2009 Abstract Book.