00315nam a2200121Ia 4500008004100000041000800041082000900049100003200058245004200090260003800132300000800170650001500178231219s9999    xx            000 0 und d  aeng  a1.42  aAnsari Aziz A. and Rao B.P.  aResearch Methodology : A new Approach  bWisdom Tree Publication New Delhi  a308  aManagement