National Longitudinal Study of the High School Class of 1972, 1972 - 1986 (5th Follow-up)
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National Longitudinal Study of the High School Class of 1972, 1972 - 1986 (5th Follow-up)
创建时间：
1996-09-17
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National Longitudinal Study of the High School Class of 1972, 1972 - 1986 (5th Follow-up)