Hartmans, E. H. <br/><br/>
Land development and management in tropical Africa 

 - Ibadan:  IITA,  1981. 
 - 21p.:  30cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soils<br/>Africa<br/>Sub-Saharan<br/>Clearing of Land<br/>Cropping systems
<br/><br/><label>LC Class. No.: </label>ERB PAM S599.5.A1H37