CASE CONTROL STUDIES :DISIGN, CONDUCT, ANALYSIS
SCHLESSELMAN, James J.
CASE CONTROL STUDIES :DISIGN, CONDUCT, ANALYSIS - NEW YORK, : OXFORD UNIVERSITY PRESS 1982 - 354 p.
019502933X
EXPERIMENTAL DESIGN
519.2:61 / S13
CASE CONTROL STUDIES :DISIGN, CONDUCT, ANALYSIS - NEW YORK, : OXFORD UNIVERSITY PRESS 1982 - 354 p.
019502933X
EXPERIMENTAL DESIGN
519.2:61 / S13