Campbell, P. A., <br/><br/>
The Design of Technology Innovation & Diffusion Systems in Centrally Planned Economies. 

 - John C. Hinchcliff - Personal Archives and Papers--Books, journals, pamphlets, etc. files .
 - Hinchcliff, John C.  [ID1101053710]  Personal archives and papers .
<br/><br/> Invited paper on Appropriate Technology, Pacific Science Association, Bali.