Glenn, Norval D.
Cohort analysis - London Sage 1977 - 72 p. - Quantitave Applications in the Social Sciences; 5 .
080390794X
305.20723 / GLE
Cohort analysis - London Sage 1977 - 72 p. - Quantitave Applications in the Social Sciences; 5 .
080390794X
305.20723 / GLE