Pingall, Prabhu L. <br/><br/>
Milestones in impact assessment research in the CGIAR, 1970-1999 / 
Prabhu L. Pingall. 
 - México :  International Maize and Wheat Improvement Center : Consultative Group on International Agricultural Research,   [1999] 
 - 37 p. 
<br/><br/><label>ISBN: </label>970-648-076-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>AGRICULTURA--INVESTIGACION<br/>AGRICULTURA--PRODUCCION
<br/><br/><label>Dewey Class. No.: </label>F 631.47 P653m