00321nam a2200133Ia 4500008004100000041000800041082000900049100002000058245003900078250000900117260004500126300000800171365000800179231011s9999    xx            000 0 und d  aeng  a1.42  aCooper Donald R  aBusiness Research Methods [Cooper]  a9th   bTata Mcgrawhill Pub Co, NewDelhi -c2009  a757  b348