00343nam a2200121Ia 450000500170000000800410001702000180005808200190007610000150009524500580011026000420016830000110021020260205105229.0260111s9999||||xx |||||||||||||| ||und||  a9781403931511  a001.424  Sh23O  aSharma, JK 0aOperations research: theory and practice/by JK Sharma  aNew DelhibMacmillan India Ltd.c2007  a1172p.