Children Born in 2001: First Results From the Base Year of the Early Childhood Longitudinal Study, Birth Cohort (ECLS-B)
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2012 ◽
Vol 26
(3)
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pp. 172-175
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2009 ◽
Vol 13
(6)
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pp. 715-719
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2013 ◽
Vol 25
(1)
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pp. 19-35
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2011 ◽
Vol 25
(3)
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pp. 190-198
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