00308nam a2200121Ia 4500008004100000100004200041245002500083260003300108300000900141650001400150942000700164999001500171190216s9999||||xx |||||||||||||| ||und||  aThusiram Sharma&Amp; Singh Chuhan S D 0aIndustrial Economics  bShivlal Agarwala & Comc1977  a638p  aEconomics  cBK  c9365d9365