HALWAGI. M. M El.  (EdEd. <br/><br/>
Biogass technology : Transfer & diffusio 

 -  1986  Elsevier applied science, London 
 - 717  0  Paper 
<br/><br/> Hard Binding 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biogas
<br/><br/><label>Dewey Class. No.: </label>DV3    M6