00334nam a2200121Ia 4500008004100000100001500041245005200056260005000108300000900158650002300167942000700190999001500197190216s9999||||xx |||||||||||||| ||und||  aSharma K R 0aQuantitative Techniques And Operations Research  bCalicut University Central Co-Operativec1990  a603p  aOperation Research  cBK  c5523d5523