Social science research for agricultural technology development, spa tial and temporal dimensions :    proceedings of an international insti tute of tropical agriculture (IITA)- Rockfeller foundation workshop, 2- 5 October 1990, Ibadan, Nigeria /  
edited by Karen Ann Dvorak. 
 - Willinford :    CAB International.,    1993. 
 - xx, 223 p. :    ill., maps. ;    24 cm. 
<br/><br/>  Includes index 
<br/><br/><label>ISBN: </label>0851988067 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Social sciences -- Research<br/> Agricultural innovations.<br/> Technological innovations