Ngenda, John Mundia. <br/><br/>
Some aspects of practical work in secondary school agricultural science with special reference to Zambia. 

<br/><br/>Thesis (M.Sc.)--University of Reading, 1984. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education, Secondary -- Zambia.--Education, Secondary -- Zambia.