(Q39970987)
Statements
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Effects of the Positive Action programme on problem behaviours in elementary school students: a matched-pair randomised control trial in Chicago (English)
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Kin-Kit Li
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Isaac Washburn
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David L DuBois
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Samuel Vuchinich
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Peter Ji
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Vanessa Brechling
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Joseph Day
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Michael W Beets
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Alan C Acock
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Michael Berbaum
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Frank Snyder
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1 February 2011
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26
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2
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187-204
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Identifiers
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