00349nam a2200121 a 450000500170000000800410001704100080005810000160006624500730008226400400015530000120019570000200020720260717091745.0260717s2000    ii            000 0 eng d  aeng1 aJain, K. C.10aProducton plannning control and industrial management /cJain, K. C. 1aDelhi :bKhanna publication,c2000.  a1385 p.1 aAggarwal, L. N.