Ng'ang'a, A. <br/><br/>
Alternative roofing technology: A case study of technology development and dissermination in kenya 

 - Nairobi   Intermediate Technology Kenya  1997 
<br/><br/><label>ISBN: </label>978-9966-931009-- 
<br/><br/><label>Dewey Class. No.: </label>666.732096762 NGA