00311nam a2200121Ia 4500008004100000020001500041041001200056100001600068245004000084260004100124300000900165650001500174221030s9999    xx            000 0 und d  a9351610281  aEnglish  aS. P. Gupta 0aStatistical Methodscby S. P. Gupta  bSultan chand & SonsaNew Delhic2014  a1426  aManagement