Gadret DT de OL, Almeida CD de. New Proposals on Communication Theory. Rev. Famecos (Online) [Internet]. 2010 Sep. 2 [cited 2024 Jul. 17];17(2):144-6. Available from: https://revistaseletronicas.pucrs.br/ojs/index.php/revistafamecos/article/view/7552