By Ozer E.J.   Dolcini M.M.   Harper G.W.   in Journal of Adolescent Health

ISSN:1054-139X|33|5|317-319

Elsevier‎(2003)‎

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By Hosek S.G.   Harper G.W.   Robinson W.L.A.V.O.M.E.   in Journal of Adolescence

ISSN:0140-1971|25|4|355-364

Academic Press‎(2002)‎

Access to resources Favorite 8.771277