Technologies for rural development based on an Expert Meeting on New Modalities for the Action of Unesco in the Field of Technologies for Rural Development, Brussels, May 1980.
| সংস্থা লেখক: | |
|---|---|
| বিন্যাস: | গ্রন্থ |
| ভাষা: | English |
| প্রকাশিত: |
Paris
The Unesco Press
1981.
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| বিষয়গুলি: |