Annual report. 

 - Lusaka. 
 - Annual 
 - 1968/69-1973. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Land use -- Zambia.--Land use -- Zambia.<br/>Soil surveys -- Zambia.--Soil surveys -- Zambia.<br/>Farm management -- Zambia.--Farm management -- Zambia.<br/>Agricultural engineering.