Soft-tech

類似資料

• Appropriate technology for balanced regional development
  出版事項: (1974)
• Solar Drying of Tropical Hardwoods
  著者:: Chudnoff, M.
  出版事項: (1966)
• Wind and solar energy: proceedings of the New Delhi symposium
  出版事項: (1956)
• Entrepreneurship in renewable energy technologies
  著者:: Ghosal, Manoj kumar
  出版事項: (2022)
• Consolidation of information : windpump handbook
  著者:: Rastogi, T.
  出版事項: (1982)