National longitudinal study of the high school class of 1972, base-year study student questionnaire and test results by academic ability, socioeconomic status, and region - Fetters, William Brooke (U.S. Dept. of Health, Education, and Welfare, Education Division, National Center for Education Statistics [u.a.], 1976)
Keywords: Statistik; High school graduates -- United States -- Longitudinal studies; High school graduates -- United States -- Statistics; USA