By Creasey G.   Kershaw K.   Boston A.   in Journal of Youth and Adolescence

ISSN:0047-2891|28|5|523-543

Springer Publishing Company ‎(1999)‎

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By Kershaw K. A.   Webber M. R.   in Journal of Bryology

ISSN:1743-2820|14|1|151-158

Maney Publishing‎(1986)‎

Access to resources Favorite 8.152017