Biotrop fourth weed science training course, April 19 - May 29, 1976, University of the Philippines at Los Banos College, Laguma :  technical report by the participants 

 - Bogor:  Regional Center for Tropical Biology,  1977 
 - 255 p. ;  27 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Weeds--Addresses, essays, lectures