Delforce, Julie <br/><br/>
Tractors versus draught animals :  literature review and case study / 
Julie Delforce 
 - University New England ,  Armidale :  1987 
 - 32p. :  ill. ;  30 cm. 
 - Occasional paper in economic development .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural engineering<br/>tractors<br/>technology<br/>agricultural development
<br/><br/><label>Gov. Doc. Class. No.: </label>AU NEU FES OPED-6