Appropriate Technology Sourcebook
For Tools and Techniques that Use Local Skills, Local Resources, and Renewable Sources of Energy
Ken Darrow Ordre des livres
- 1981
- 1978
Book by Ken Darrow, Kent Keller, Rick Pam
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For Tools and Techniques that Use Local Skills, Local Resources, and Renewable Sources of Energy
Book by Ken Darrow, Kent Keller, Rick Pam