00287nam a2200121Ia 4500008004100000020001400041041000800055082001500063100001100078245004000089260002700129300000900156220803s9999    xx            000 0 und d  a706988523  aeng  a720.22 LOK  aKaul L  aMethdology Of Educational Research.  bVikas Publishingc1997  a543p