Economically appropriate technologies for developing countries : an annotated bibliography/
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| Main Author: | |
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| Format: | |
| Published: |
London : Intermediate Technology Pubns.,
1976
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| Subjects: |
99
| Main Author: | |
|---|---|
| Format: | |
| Published: |
London : Intermediate Technology Pubns.,
1976
|
| Subjects: |