Biological control and plant resistance to control the cassava mealybug and green mite in africa/ 
editd by Hans, R. 
 - Nigeria, Ibadan   International institute of tropical agriculture  1982 
 - 154pg.  Hbk 
<br/><br/><label>ISBN: </label>9781310162 
<br/><br/><label>LC Class. No.: </label>SB 606.C2.I5 1982