Boyce, James K. <br/><br/>
National and international agricultural research & extension programs / 
James K. Boyce, Robert E. Evenson 
 - New York :  Agricultural Development Counci,l  1975 
 - 229 p. ;  23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural extension work--Research<br/>Agricultural research