Ritson, Christopher <br/><br/>
Agricultural economics: principles and policy 
by Christopher Ritson 
 - London  Crosby Lockwood Staples  1977 
 - 409p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture - Economic aspects
<br/><br/><label>Dewey Class. No.: </label>Z4 R513