共 45 条
- [31] Disparities in Child Well-Being Across Income Groups: Trends in the U.S. from 1985 to 2008 Child Indicators Research, 2012, 5 : 93 - 121
- [40] Fertility Timing of Unmarried and Married Mothers: Evidence on Variation Across U.S. Cities from the Fragile Families and Child Wellbeing Study Population Research and Policy Review, 2009, 28 : 569 - 588