Hartley, P.V <br/><br/>
Farm working and engineering support for agricultural research stations  

 - Ibadan  IITA  1990 
 - 16p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>farm machinery, farm engineering<br/>farm engineering
<br/><br/><label>LC Class. No.: </label>S675.H3 1990