01094nam--2200361---450-99000193423020331620050606104031.0000193423USA01000193423(ALEPH)000193423USA0100019342320040816d1971----km-y0itay0103----baengGB||||||||001yyFundamentals of educational research an introductory approachdi Rodney W. Skager and Carl WeinbergLondon [etc..]Foresman and Co.1971195 p.23 cm20012001001-------2001PedagogiaStudiSKAGER,Rodney W.565409WEINBERG,Carl482604ITsalbcISBD990001934230203316VII.3.B.171(II i D 240)44082 L.M.II iBKUMASIAV21020040816USA011610COPAT79020050606USA011040Fundamentals of educational research an introductory approach1045142UNISA