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Prevention that works for children and youth: An introduction.
Weissberg, Roger P., Kumpfer, Karol L., Seligman, Martin E. P.Volume:
58
Year:
2003
Language:
english
Journal:
American Psychologist
DOI:
10.1037/0003-066X.58.6-7.425
File:
PDF, 498 KB
english, 2003