00383nam a2200145Ia 4500008004100000020001500041082001700056100001900073245004500092260003900137300000800176650002000184653001300204653002000217170901s1997    xx            000 0 und d  a0333923979  a300.72bD97R  aDwivedi, R. S. 0aResearch Methods in Behavioural Sciences  aLondonbMacmillan India Ltd.c1997  a256  aSocial sciences  aResearch  aSocial sciences