Agricultural r&d at the crossroads:  Merging systems research and social actor approaches/ 
edited by A. Budelman. 
 - Amsterdam:  Royal Tropical Institute, 
 - 247 p.:  ill.  24 cm. 
<br/><br/><label>ISBN: </label>9789068321074 
<br/><br/><label>LC Class. No.: </label>S 540