Subramanian,S K <br/><br/>
Biogas system in Asia 

 - New Delhi  Management development institute  1977 
 - x,146 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gas<br/>Gas holder<br/>Industrial wastes<br/>Livestock wastes<br/>Maya farms<br/>Night soil<br/>Slurry<br/>Urban wastes