Appleton, Helen (ed) Carter, Nicola (ed) Gamser, Matthew (ed) <br/><br/>
Tinker, tiller, technical change  technologies from the people 

 - London  Intermediate technology publications  1990 
 - xvii, 278p.; 22cm. 
<br/><br/><label>ISBN: </label>1853390615 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cassave processing innovations<br/>Farming<br/>Housing construction<br/>Technological innovation