Environmental indicators for agriculture 
/by Organisation for Economic Co-operation and development 
 - Paris :  Organisation for Economic Co-operation and development,  1997. 
 - 62 p. 
<br/><br/><label>ISBN: </label>9264153152 
<br/><br/><label>LCCN: </label>83143 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultura sustentable.<br/>Impacto ambiental.<br/>Indicadores de desarrollo.