22 Nov.: A Guide Book on Biogas & Farming welcome feedback

 

        
  Led by Mr. Chen Yongsong, YEN finished the edition of A Guide Book on Biogas & Farming on 22 November. The book was one of the contributions that YEN and her staff had made to YRREPP.


Face cover of A Guide Book on Biogas and Farming


Chapter I: Biogas on Earth