JAEGER, William K <br/><br/>
Agricultural mechanization:The economics of animal draft power in west africa 

 - Boulder.  Westview press  1986 
 - xix, 199 p 
<br/><br/><label>ISBN: </label>0-8133-7356-5 
<br/><br/><label>Dewey Class. No.: </label>338.161