00862nam--2200325---450-99000193458020331620040816174407.0000193458USA01000193458(ALEPH)000193458USA0100019345820040816d1960----km-y0itay0103----baengUS||||||||001yyEducational psychologyCharles E. SkinnerEngliwood CliffsPrentice Hall1960775 p.22 cm20012001001-------2001SKINNER,Charles E.565413ITsalbcISBD990001934580203316VI Ps A 953594 L.M.VI PsBKUMASIAV21020040816USA011744Educational psychology1045128UNISA