Sustainability issues in agricultural development / 
T. J. Davis and I. A. Schirmer. 
 - Washington, DC :  World Bank,  1987. 
 - viii, 382 p. :  ill. ;  28 cm. 
<br/><br/> Open. 
<br/><br/><label>ISBN: </label>
<br/><br/><label>LCCN: </label>87142136  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural conservation--Congresses.<br/>Agriculture--Economic aspects--Congresses.