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2.
Iowa Youth and Families Project, 1989-1992 (ICPSR 26721)
Conger, Rand D.; Lasley, Paul; Lorenz, Frederick O.; et al.
3.
Monitoring the Future: A Continuing Study of American Youth (12th-Grade Survey), 2008 (ICPSR 25382)
Johnston, Lloyd D.; Bachman, Jerald G.; O'Malley, Patrick M.; et al.

more results 15 more results in Monitoring the Future (MTF) Series

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