Russell, J. F. A. <br/><br/>
Maize production in the Northern Province :  the costs, returns and future of the crop. 
 Zambia :  maize production in Northern Province 

 - [Lusaka],  1968. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Corn -- Zambia.--Corn -- Zambia.<br/>Corn -- Zambia -- Northern Province.--Corn -- Zambia -- Northern Province.--Corn -- Zambia -- Northern Province.