该书已不再出版。
This notebook, compiled by ECHO Appropriate Technology, contains information on biogas in Africa, making low-cost biodigestors, and other pertinent information on biogas for developing areas.
出版物详细信息
- 已出版: 2008
- 出版者: ECHO Inc.
- Dewey Decimal: 338.927
- ECHO 图书馆: 338.927 ECH