Agricultural ecosystem / 
Ma. Teresa S. Agarrado and Joel Eneristo A. Joven, ed. 
 - Los Banos, Laguna :  PCARRD-DOST,   c2003. 
 - x, 34 p. :   ;  28 cm. 
 - R & D status and directions (2000 and beyond) .
<br/><br/><label>ISBN: </label>9712005046 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural ecology--Philippines.<br/>Ecosystems--Philippines.