Upton, Martin <br/><br/>
Agricultural production economics and resource - use 

 - London  Oxford university press  1976 
 - x, 357p.; 22cm. 
<br/><br/><label>ISBN: </label>198594526 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture<br/>Farm production<br/>Labour<br/>Natural resources