00265nam a22000977a 450000500170000000800410001708200130005810000180007124500420008926000360013120250523140903.0250523b        |||||||| |||| 00| 0 eng d  a658bKHA  aKhanna, O. P.  aIndustrial Engineering and Management  aDelhibDhanpat Rai & Sonsc1993