Norton, A. G.,...[et.al] <br/><br/>
Integrated crop protection for small - scale farms in Eastern Africa 
A. G Norton,.,...[et.al] 
 - London  Commonwealth Science Council  1986 
 - 33 p.- 
 - Technical Publication Series 193 .
<br/><br/><label>Dewey Class. No.: </label>631.5  / INT