Ritson, Christopher. <br/><br/>
Agricultural economics :  principles and Christopher Ritson. 

 - Geneva :  Technical Books Division,  1982. 
 - xiii, 409 p. :  ill. ;  23 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/> Open access. 
<br/><br/><label>ISBN: </label>0246113898 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture--Economic aspects.