Arnade, Carlos A. <br/><br/>
Productivity and technical change in Brazilian agriculture / 
Carlos A. Arnade ; U.S. Department of agriculture. Economic research service. 
 - Washington, DC :  U.S. Department of Agriculture,  1992. 
 - 23 cm. :  tables, fig. ;  28 cm. 
 - Technical Bulletin  Number 1811 .
<br/><br/> Footnotes 
<br/><br/>References : pp. 16-19 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture--Brazilia