Barreto, Antonio, <br/><br/>
A study of the social and economic implications of the large scale introduction of high-yielding varieties of foodgrain :  A selection of readings. 

 - 173 páginas 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Granos<br/>Granos como alimento
<br/><br/><label>LC Class. No.: </label>HD9030  / N32