Impact assessment of research, development and extension projects in agriculture:  a simplified approach 
edited by Anita G. Tidon [and three others] 
 - Los Banos, Laguna :  PCARRD - DOST  2013 
 - xi, 155 pages  22 cm. 
 - Book Series No.5/2013 .
<br/><br/><label>ISBN: </label>9789712005558 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture--research--development