7/21/2019 Links Apresentacao

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time line valvehttp://forum.gamevicio.com/topico/2011/06/a-historia-da-valve/documentario historiahttps://www.youtube.com/watch?feature=player_embedded&v=aYMgbvmxYeIhitoria jogoshttp://altamenteacido.com.br/games/valve-a-pixar-do-universo-gamer-primeira-parte-half-life/sobre steamhttp://pt.wikipedia.org/wiki/Steam