Higher-yielding human systems for agriculture 
edited by William Foote Whyte and Damon Boynton 
 - Ithaca  Cornell University Press  1983 
 - 342 p.  ill.  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture--Research<br/>Agriculture--Social aspects--Research<br/>Agricultural systems--Research<br/>Agriculture--Social aspects<br/>Agricultural systems
<br/><br/><label>Dewey Class. No.: </label>630