Marjoribanks, John L. <br/><br/>
Village productivity classes: an extension workers' guide to the organisation and running of village productivity classes. 

 - Kasama :  Dept. of Agriculture,  1978. 
<br/><br/> Gives extension workers a practical guide as to how they can establish and run village productivity classes in their own areas. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural Extension.<br/>Zambia.