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Descriptive and sampling statistics
Peatman, John Gray, (1947)
Elementary survey sampling
Scheaffer, Richard L., (1986)
Stichproben
Stenger, Horst, (1986)
The decline of mass media
Maisel, Richard, (1973)
Education and inequality : a theoretical and empirical synthesis
Persell, Caroline Hodges, (1977)
Intergenerational stratification, child development, and the black-white achievement gap
Yeung, Wei-jun Jean, (2011)