Ivens, G.W <br/><br/>
East African Weeds and their Control 

 - New Edition 
 - Nairobi:  Oxford University Press,  1967. 
 - 289pgs. 
<br/><br/><label>ISBN: </label>97857253015 
<br/><br/><label>LC Class. No.: </label>SB 613  / .A4 I8 1967