dos Santos Vieira e Silva, A. L. “GRAFFITI: DEMONSTRATION OF URBAN ART. GRAFITE: MANIFESTAÇÃO DE ARTE URBANA”. on the w@terfront. Public Art.Urban Design.Civic Participation.Urban Regeneration, no. 11, Oct. 2008, pp. 131-4, https://revistes.ub.edu/index.php/waterfront/article/view/18906.