a historia de ohrany com as midias e tecnologias By ohrany Dec 21, 1997 radio Dec 21, 1998 televisao Dec 21, 1999 fita cassete Dec 21, 2002 computador Dec 21, 2004 DVD Dec 21, 2005 cd Dec 21, 2009 celular Dec 21, 2012 notebook Dec 21, 2014 celular
