Engler, Joaquim J. <br/><br/>
Trigo :  producao, precos e produtividade / 
 Wheat 
[by] Joaquim J. de Camargo Engler and Richard L. Meyer. 
 - Columbus, OH :  Ohio State University, Dept. of Agricultural Economics and Rural Sociology,  1973. 
<br/><br/> Text in Portuguese.  Title: wheat production, prices and productivity. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Wheat -- Prices -- Brazil.--Wheat -- Prices -- Brazil.--Wheat -- Prices -- Brazil.<br/>Wheat -- Brazil.--Wheat -- Brazil.