00512     2200169   4500001002100000035002000021245011100041110003600152260005000188300003100238084000800269082000800277650001800285650002100303990000900324990000900333INLIS000000000002031  a0010-0121000397  aSystems analysis and operations research : a toel for policy and program planning for developing countries  aThe National Academy of Science  aWashingtonbNational Academy of Sciencec1976  aviii, 99 p.c: ill ; 24 cm  a519  a519  aRISET-OPERASI  aSYSTEM ANALYSIS.  a3079  a3079