JOSEPH F HEALEY. (2002). Statistics A tool for social research (0 534 57785 6). Thomson Learning.
Trích dẫn kiểu ChicagoJOSEPH F HEALEY. Statistics A Tool for Social Research (0 534 57785 6). Thomson Learning, 2002.
Deismireacht MLAJOSEPH F HEALEY. Statistics A Tool for Social Research (0 534 57785 6). Thomson Learning, 2002.
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