Highlights 90. 

 - Los Banos, Laguna :  PCARRD,  c1991. 
 - 167 p. :  ill. ;  25 cm. 
<br/><br/> Includes references (p.153-163). 
<br/><br/><label>ISBN: </label>9712001792 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural technology.