Guidebook on biogas development 
Economic and Social Commission for Asia and the Pacific 
 - New York  United Nations  1980 
 - xi, 127p.  ill. 
 - Energy resources development series  no. 21 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gas manufacture and works--Developing countries<br/>Biomass energy--Developing countries