| 000 | 003720000a22001210004500 | ||
|---|---|---|---|
| 245 | _aSystems analysis and operations research : a tool for policy and program planning for developing countries | ||
| 110 | _aNational Academy of Sciences | ||
| 260 |
_aWashington _bNAS _c1976 |
||
| 500 | _aA report | ||
| 080 |
_a65.012.122:338.01(-77) _bN3 |
||
| 041 | _aEN | ||
| 942 | _cBK | ||
| 999 |
_c109888 _d109888 |
||