Bibliography
http://ctorio.org.br/novosite/2010/03/cto-celebra-16-de-marco-no-rio-e-natal/
http://ptoweb.org/aboutpto/a-brief-biography-of-augusto-boal/
http://brechtforum.org/abouttop
http://augustoboal.blogspot.hk/2009/12/biography.html
http://www.theatreoftheoppressed.org/en/index.php?nodeID=3
https://www.youtube.com/watch?v=tkpUyB2xgTM
http://ptoweb.org/aboutpto/a-brief-biography-of-augusto-boal/
http://brechtforum.org/abouttop
http://augustoboal.blogspot.hk/2009/12/biography.html
http://www.theatreoftheoppressed.org/en/index.php?nodeID=3
https://www.youtube.com/watch?v=tkpUyB2xgTM