Systems analysis and operations research A tool for policy and program planning for developing countries.
| সংস্থা লেখক: | , |
|---|---|
| বিন্যাস: | গ্রন্থ |
| ভাষা: | English |
| প্রকাশিত: |
Washington, D.C.
National Academy of Sciences
c1976.
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| বিষয়গুলি: |