Chimwala, G.V. <br/><br/>
National Committee for appropriate technology directory,1984. 

 - Lusaka :  National Council for Scientific Research,  1984. 
<br/><br/> A directory for the national committee for appropriate technology,1984. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Directory.<br/>Appropriate technology -- Directory.--Appropriate technology -- Directory.