International Board for Soil Research and Management (IBSRAM) <br/><br/>
Strategies for the management of upland soils of humid and subhumid tropical Africa (IBSRAMAFRICALAND) Abidjan, Cote d'Ivoire 6-9 April 1994 

 -  IBSRAM,  1994 
<br/><br/><label>Source: </label> 1999-07-27