Mercado, Beatriz L. <br/><br/>
Laboratory manual on tropical weed biology. 

 - Laguna :  Laguna: UPLB,  c1977. 
 - 101 p. :  ill. ;  28 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Weed bilogy-lab.manual.