RT Book, Whole SR Electronic DC OPAC T1 Liberating voices : a pattern language for communication revolution A1 Schuler, Douglas FD 2008 K1 Social Change PB MIT Press SN 9780262195799 NO 書誌ID=EB00368894; LK [E Book]https://ieeexplore.ieee.org/servlet/opac?bknumber=6267433