E.A. Atayi <br/><br/>
Survey of food crop farming systems in the "ZAPI-EST"  East Cameroon IITA/ONAREST-1980 

 - Ibadan  I I T N  1980 
 - 94p 
<br/><br/><br/>ENGLISH 
<br/><br/><label>Dewey Class. No.: </label>658.963  / ATA